Bump the github-actions group with 2 updates (#983)

Bumps the github-actions group with 2 updates: [actions/upload-artifact](https://github.com/actions/upload-artifact) and [actions/download-artifact](https://github.com/actions/download-artifact).


Updates `actions/upload-artifact` from 4 to 5
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...v5)

Updates `actions/download-artifact` from 5 to 6
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v5...v6)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
- dependency-name: actions/download-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -35,13 +35,13 @@ jobs:
         with:
           dotnet-version: "8.0.x"
       - run: dotnet pack NGitLab.sln --configuration Release --output ${{env.NuGetDirectory}} /bl
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v5
         with:
           name: nuget
           if-no-files-found: error
           retention-days: 7
           path: ${{env.NuGetDirectory}}/**/*
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v5
         with:
           name: binlogs
           if-no-files-found: error
@@ -84,7 +84,7 @@ jobs:
       - name: Run tests
         run: dotnet test --configuration ${{matrix.configuration}} --logger trx --results-directory "${{env.TestResultsDirectory}}" --collect:"XPlat Code Coverage" /p:RunAnalyzers=false
       - name: Upload test results
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         if: always()
         with:
           name: ${{steps.set-artifact-name.outputs.artifact_name}}
@@ -107,7 +107,7 @@ jobs:
       contents: read
       packages: write
     steps:
-      - uses: actions/download-artifact@v5
+      - uses: actions/download-artifact@v6
         with:
           name: nuget
           path: ${{env.NuGetDirectory}}