Create CI/CD workflow

.github/workflows/main.yml

@@ -0,0 +1,81 @@
+name: Dependabot Reviewer v2
+
+on:
+  pull_request_target:
+    types: [opened, synchronize, reopened]
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  setup-and-cache:
+    runs-on: ubuntu-latest
+    if: ${{ github.event.pull_request.user.login == 'dependabot[bot]' }}
+    steps:
+      - name: Checkout repository code
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js (latest LTS)
+        uses: actions/setup-node@v4
+        with:
+          node-version: "lts/*"
+
+      - name: Cache Node.js modules
+        uses: actions/cache@v3
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-node-
+
+      - name: Install dependencies
+        run: npm install
+
+  fetch-metadata:
+    runs-on: ubuntu-latest
+    needs: setup-and-cache
+    if: ${{ github.event.pull_request.user.login == 'dependabot[bot]' }}
+    steps:
+      - name: Fetch Dependabot metadata
+        id: dependabot-metadata
+        uses: dependabot/[email protected]
+
+  review-prs:
+    runs-on: ubuntu-latest
+    needs: fetch-metadata
+    if: ${{ github.event.pull_request.user.login == 'dependabot[bot]' }}
+    steps:
+      - name: Approve patch and minor updates
+        if: ${{ steps.dependabot-metadata.outputs.update-type == 'version-update:semver-patch' || steps.dependabot-metadata.outputs.update-type == 'version-update:semver-minor' }}
+        run: gh pr review ${{ github.event.pull_request.number }} --approve -b "I'm **approving** this pull request because **it includes a patch or minor update**"
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Approve major updates of development dependencies
+        if: ${{ steps.dependabot-metadata.outputs.update-type == 'version-update:semver-major' && steps.dependabot-metadata.outputs.dependency-type == 'direct:development' }}
+        run: gh pr review ${{ github.event.pull_request.number }} --approve -b "I'm **approving** this pull request because **it includes a major update of a dependency used only in development**"
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Comment on major updates of non-development dependencies
+        if: ${{ steps.dependabot-metadata.outputs.update-type == 'version-update:semver-major' && steps.dependabot-metadata.outputs.dependency-type == 'direct:production' }}
+        run: |
+          gh pr comment ${{ github.event.pull_request.number }} --body "I'm **not approving** this PR because **it includes a major update of a dependency used in production**"
+          gh pr edit ${{ github.event.pull_request.number }} --add-label "requires-manual-qa"
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  auto-merge:
+    runs-on: ubuntu-latest
+    needs: review-prs
+    if: ${{ success() && github.event.pull_request.user.login == 'dependabot[bot]' }}
+    steps:
+      - name: Checkout repository code
+        uses: actions/checkout@v4
+
+      - name: Auto-merge Dependabot PR
+        if: ${{ success() }}
+        run: gh pr merge --auto --rebase ${{ github.event.pull_request.number }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}