[chore] bump go-junit-report to v2

.github/workflows/build-and-test-arm.yml

@@ -33,9 +33,6 @@ jobs:
       - name: Install dependencies
         if: steps.go-setup.outputs.cache-hit != 'true'
         run: make -j2 gomoddownload
-      - name: Install Tools
-        if: steps.go-setup.outputs.cache-hit != 'true'
-        run: make install-tools
   arm-unittest-matrix:
     needs: [setup-environment]
     if: ${{ github.actor != 'dependabot[bot]' && (!contains(github.event.pull_request.labels.*.name, 'Skip ARM') || github.event_name == 'push' || github.event_name == 'merge_group') }}
@@ -129,5 +126,4 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
-          make install-tools
-          ./.tools/issuegenerator -path ./internal/tools/testresults/ -labels "flaky tests,needs triage"
+          go -C ./internal/tools tool go.opentelemetry.io/build-tools/issuegenerator -path ./internal/tools/testresults/ -labels "flaky tests,needs triage"

.github/workflows/build-and-test-darwin.yaml

@@ -40,9 +40,6 @@ jobs:
       - name: Install dependencies
         if: steps.go-setup.outputs.cache-hit != 'true'
         run: make -j2 gomoddownload
-      - name: Install Tools
-        if: steps.go-setup.outputs.cache-hit != 'true'
-        run: make install-tools
   darwin-build-unittest-binary:
     needs: [setup-environment]
     if: ${{ github.actor != 'dependabot[bot]' && (contains(github.event.pull_request.labels.*.name, 'Run Darwin') || github.event_name == 'push' || github.event_name == 'merge_group') }}

.github/workflows/build-and-test-windows.yml

@@ -41,9 +41,6 @@ jobs:
       - name: Install dependencies
         if: steps.go-setup.outputs.cache-hit != 'true'
         run: make -j2 gomoddownload
-      - name: Install Tools
-        if: steps.go-setup.outputs.cache-hit != 'true'
-        run: make install-tools
 
   windows-smoke-build:
     needs: [setup-environment]
@@ -63,9 +60,6 @@ jobs:
       - name: Install dependencies
         if: steps.go-setup.outputs.cache-hit != 'true'
         run: make -j2 gomoddownload
-      - name: Install Tools
-        if: steps.go-setup.outputs.cache-hit != 'true'
-        run: make install-tools
       - name: Generate nrdotcol files
         run: make gennrdotcol
       - name: Build Collector
@@ -106,11 +100,11 @@ jobs:
       - name: Ensure required ports in the dynamic range are available
         run: |
           & ${{ github.workspace }}\.github\workflows\scripts\win-required-ports.ps1
-      - name: Build shared test tools
-        # If component tests share Makefile targets they need to be added here to avoid
-        # concurrent component tests clashing when building such targets. This applies
+      - name: Pre-build shared test tools
+        # Pre-warms the go tool cache for gotestsum to avoid concurrent builds when
+        # multiple test matrix jobs start simultaneously on Windows.
         # specifically to Windows, see https://github.com/open-telemetry/opentelemetry-collector-contrib/issues/34691
-        run: make "$(${PWD} -replace '\\', '/')/.tools/gotestsum"
+        run: go -C ./internal/tools tool -n gotest.tools/gotestsum | Out-Null
 
       # Unit tests without JUnit output are much faster, so it's fine to run on every PR.
       # The only time we don't run them is when we already ran them with JUnit output.
@@ -179,9 +173,6 @@ jobs:
       - name: Install dependencies
         if: steps.go-setup.outputs.cache-hit != 'true'
         run: make -j2 gomoddownload
-      - name: Install Tools
-        if: steps.go-setup.outputs.cache-hit != 'true'
-        run: make install-tools
       - uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6
         with:
           merge-multiple: true
@@ -191,5 +182,4 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
-          make install-tools
-          ./.tools/issuegenerator -path ./internal/tools/testresults/ -labels "flaky tests,needs triage"
+          go -C ./internal/tools tool go.opentelemetry.io/build-tools/issuegenerator -path ./internal/tools/testresults/ -labels "flaky tests,needs triage"

.github/workflows/build-and-test.yml

@@ -54,9 +54,6 @@ jobs:
       - name: Install dependencies
         if: steps.go-setup.outputs.cache-hit != 'true'
         run: make -j2 gomoddownload
-      - name: Install Tools
-        if: steps.go-setup.outputs.cache-hit != 'true'
-        run: make install-tools
   check-collector-module-version:
     runs-on: ubuntu-24.04
     needs: [setup-environment]
@@ -93,9 +90,6 @@ jobs:
       - name: Install dependencies
         if: steps.go-setup.outputs.cache-hit != 'true'
         run: make -j2 gomoddownload
-      - name: Install Tools
-        if: steps.go-setup.outputs.cache-hit != 'true'
-        run: make install-tools
       - name: Fetch commit history up to date of fork
         run: git fetch origin main --shallow-since=2025-11-18
       - name: Lint
@@ -143,9 +137,6 @@ jobs:
       - name: Install dependencies
         if: steps.go-setup.outputs.cache-hit != 'true'
         run: make -j2 gomoddownload
-      - name: Install Tools
-        if: steps.go-setup.outputs.cache-hit != 'true'
-        run: make install-tools
       - name: Run `govulncheck`
         run: |
           out=$(mktemp)
@@ -167,9 +158,6 @@ jobs:
       - name: Install dependencies
         if: steps.go-setup.outputs.cache-hit != 'true'
         run: make -j2 gomoddownload
-      - name: Install Tools
-        if: steps.go-setup.outputs.cache-hit != 'true'
-        run: make install-tools
       - run: make gennrdotcol
       - name: Check Component Files
         run: make check-component-files
@@ -247,9 +235,6 @@ jobs:
       - name: Install dependencies
         if: steps.go-setup.outputs.cache-hit != 'true'
         run: make -j2 gomoddownload
-      - name: Install Tools
-        if: steps.go-setup.outputs.cache-hit != 'true'
-        run: make install-tools
       - name: Cache Test Build
         uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
         with:
@@ -401,9 +386,6 @@ jobs:
       - name: Install dependencies
         if: steps.go-setup.outputs.cache-hit != 'true'
         run: make -j2 gomoddownload
-      - name: Install Tools
-        if: steps.go-setup.outputs.cache-hit != 'true'
-        run: make install-tools
       - name: Correctness
         run: make -C testbed run-correctness-traces-tests
   correctness-metrics:
@@ -420,9 +402,6 @@ jobs:
       - name: Install dependencies
         if: steps.go-setup.outputs.cache-hit != 'true'
         run: make -j2 gomoddownload
-      - name: Install Tools
-        if: steps.go-setup.outputs.cache-hit != 'true'
-        run: make install-tools
       - name: Correctness
         run: make -C testbed run-correctness-metrics-tests
 
@@ -478,9 +457,6 @@ jobs:
       - name: Install dependencies
         if: steps.go-setup.outputs.cache-hit != 'true'
         run: make -j2 gomoddownload
-      - name: Install Tools
-        if: steps.go-setup.outputs.cache-hit != 'true'
-        run: make install-tools
       - name: Generate collector files
         run: make gennrdotcol
       - name: Build Collector ${{ matrix.os }} ${{ matrix.arch }} ${{ matrix.arm }}
@@ -526,9 +502,6 @@ jobs:
       - name: Install dependencies
         if: steps.go-setup.outputs.cache-hit != 'true'
         run: make -j2 gomoddownload
-      - name: Install Tools
-        if: steps.go-setup.outputs.cache-hit != 'true'
-        run: make install-tools
       - name: Build Docker Image
         run: |
           make gennrdotcol

.github/workflows/check-codeowners.yaml

@@ -43,10 +43,6 @@ jobs:
           go-version: oldstable
           cache-dependency-path: "**/*.sum"
 
-      - name: Install tools
-        run: |
-          make install-tools
-
       - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
         with:
           ref: ${{github.event.pull_request.head.ref}}
@@ -56,5 +52,5 @@ jobs:
       - name: Gen CODEOWNERS
         run: |
           cd pr
-          GITHUB_TOKEN=${{ secrets.OTELCOMBOT_TOKEN }} ../.tools/githubgen --default-codeowner="@newrelic/otelcomm" --github-org="newrelic" codeowners
+          GITHUB_TOKEN=${{ secrets.OTELCOMBOT_TOKEN }} go -C ../internal/tools tool go.opentelemetry.io/build-tools/githubgen --default-codeowner="@newrelic/otelcomm" --github-org="newrelic" codeowners
           git diff -s --exit-code || (echo 'Generated code is out of date, please run "make gencodeowners" or apply this diff and commit the changes in this PR.' && git diff && exit 1)

.github/workflows/e2e-tests-windows.yml

@@ -42,9 +42,6 @@ jobs:
       - name: Install dependencies
         if: steps.go-setup.outputs.cache-hit != 'true'
         run: make -j2 gomoddownload
-      - name: Install Tools
-        if: steps.go-setup.outputs.cache-hit != 'true'
-        run: make install-tools
       - name: Generate otelcontribcol files
         run: make gennrdotcol
       - name: Build Collector

.github/workflows/lint-workflow-files.yml

@@ -29,9 +29,6 @@ jobs:
       - name: Install dependencies
         if: steps.go-setup.outputs.cache-hit != 'true'
         run: make -j2 gomoddownload
-      - name: Install Tools
-        if: steps.go-setup.outputs.cache-hit != 'true'
-        run: make install-tools
 
       - name: Run Actionlint
         run: |

.github/workflows/scoped-test.yaml

@@ -79,13 +79,6 @@ jobs:
       - name: Install dependencies
         if: steps.go-setup.outputs.cache-hit != 'true'
         run: make -j2 gomoddownload
-      - name: Install Tools
-        if: steps.go-setup.outputs.cache-hit != 'true'
-        run: make install-tools
-
-      - name: Build gotestsum
-        shell: bash
-        run: make "$PWD/.tools/gotestsum"
 
       - name: Run changed tests
         if: needs.changedfiles.outputs.go_tests

.github/workflows/tidy-dependencies.yml

@@ -37,9 +37,6 @@ jobs:
       - name: Install dependencies
         if: steps.go-setup.outputs.cache-hit != 'true'
         run: make -j2 gomoddownload
-      - name: Install Tools
-        if: steps.go-setup.outputs.cache-hit != 'true'
-        run: make install-tools
       - name: Import GPG key
         uses: crazy-max/ghaction-import-gpg@e89d40939c28e39f97cf32126055eeae86ba74ec # v6
         with: