ci: Auto-approve and merge dependabot PRs (#315)

* ci: Auto-approve and merge dependabot PRs

Signed-off-by: terrytangyuan <terrytangyuan@gmail.com>

* remove review_requested

Signed-off-by: terrytangyuan <terrytangyuan@gmail.com>

* Update CI.yml

.github/workflows/CI.yml

@@ -8,12 +8,14 @@ on:
       - '.github/workflows/**'
       - '**.go'
       - 'Makefile'
+      - 'go.**'
   pull_request:
-    types: [review_requested, ready_for_review]
+    types: [ready_for_review]
     paths:
       - '.github/workflows/**'
       - '**.go'
       - 'Makefile'
+      - 'go.**'
     branches:
       - main
 

.github/workflows/dependabot-reviewer.yml

@@ -0,0 +1,28 @@
+# https://docs.github.com/en/code-security/dependabot/working-with-dependabot/automating-dependabot-with-github-actions
+name: Approve and enable auto-merge for dependabot
+on: pull_request
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  review:
+    runs-on: ubuntu-latest
+    if: ${{ github.actor == 'dependabot[bot]' }}
+    steps:
+      - name: Dependabot metadata
+        id: metadata
+        uses: dependabot/fetch-metadata@v1.3.1
+        with:
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+      - name: Approve PR
+        run: gh pr review --approve "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
+      - name: Enable auto-merge for Dependabot PRs
+        run: gh pr merge --auto --squash "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}