ci: Added auto-merge.

.github/workflows/auto-merge.yml

@@ -0,0 +1,37 @@
+name: Auto-approve and auto-merge bot pull requests
+on:
+  pull_request:
+    branches:
+      - main
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  auto-merge:
+    runs-on: ubuntu-latest
+    if: ${{ github.actor == 'dependabot[bot]' && github.repository_owner == 'oscoreio' }}
+    steps:
+      - name: Dependabot metadata
+        if: ${{ github.actor == 'dependabot[bot]' }}
+        id: metadata
+        uses: dependabot/[email protected]
+        with:
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+
+      - name: Approve a PR
+        # Only if version bump is not a major version change
+        if: ${{ steps.metadata.outputs.update-type != 'version-update:semver-major' }}
+        run: gh pr review --approve "$PR_URL"
+        env:
+          PR_URL: ${{ github.event.pull_request.html_url }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Enable auto-merge
+        # Only if version bump is not a major version change
+        if: ${{ steps.metadata.outputs.update-type != 'version-update:semver-major' }}
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{ github.event.pull_request.html_url }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}