Add auto-merge capabilities for dependabot

.github/dependabot.yml

@@ -7,16 +7,16 @@ updates:
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
-      interval: "weekly"
+      interval: "daily"
     labels:
-      - "type: dependency-upgrade"
-      - "relates-to: build"
+      - "dependencies"
+      - "build"
 
   # Maintain dependencies for Gradle
   - package-ecosystem: "gradle"
     directory: "/"
     schedule:
-      interval: "weekly"
+      interval: "daily"
     labels:
-      - "type: dependency-upgrade"
-      - "relates-to: build"
+      - "dependencies"
+      - "build"

.github/workflows/ci.yml

@@ -53,3 +53,32 @@ jobs:
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           files: "./build/reports/jacoco/jacocoTestReport.xml"
+
+  dependabot_auto_merge:
+    if: ${{ github.event_name == 'pull_request_target' && github.actor == 'dependabot[bot]' }}
+    runs-on: ubuntu-latest
+    needs: ci
+    steps:
+      # If the PR is created by Dependabot run additional steps
+      - name: Fetch Dependabot metadata
+        id: metadata
+        uses: dependabot/[email protected]
+        with:
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+
+      - name: Approve a Dependabot PR
+        if: ${{ steps.metadata.outputs.update-type == 'version-update:semver-minor' ||
+          steps.metadata.outputs.update-type == 'version-update:semver-patch' }}
+        # Approving the PR and waiting for 5 sec to let GitHub UI to reflect the changes
+        run: gh pr review --approve "$PR_URL" && sleep 5
+        env:
+          PR_URL: ${{ github.event.pull_request.html_url }}
+          GITHUB_TOKEN: ${{ secrets.REVIEWER_GITHUB_TOKEN }}
+
+      - name: Enable auto-merge for Dependabot PRs
+        if: ${{ steps.metadata.outputs.update-type == 'version-update:semver-minor' ||
+          steps.metadata.outputs.update-type == 'version-update:semver-patch' }}
+        run: gh pr merge --auto --rebase "$PR_URL"
+        env:
+          PR_URL: ${{ github.event.pull_request.html_url }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}