ci: auto-merge dependabot PRs

.github/workflows/build.yml

@@ -72,3 +72,19 @@ jobs:
         with:
           fetch-depth: 0
       - run: go run . check
+  dependabot:
+    needs: [test]
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
+      contents: write
+    if: ${{ github.actor == 'dependabot[bot]' && github.event_name == 'pull_request'}}
+    steps:
+      - id: metadata
+        uses: dependabot/fetch-metadata@dbb049abf0d677abbd7f7eee0375145b417fdd34 # v2.2.0
+        with:
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+      - run: gh pr merge --squash "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}

.github/workflows/dependabot-automation.yml

@@ -1,24 +0,0 @@
-# see https://docs.github.com/en/code-security/dependabot/working-with-dependabot/automating-dependabot-with-github-actions#enable-auto-merge-on-a-pull-request
-
-name: dependabot
-
-on:
-  pull_request:
-
-permissions:
-  pull-requests: write
-
-jobs:
-  automation:
-    runs-on: ubuntu-latest
-    if: github.actor == 'dependabot[bot]'
-    steps:
-      - id: metadata
-        uses: dependabot/fetch-metadata@dbb049abf0d677abbd7f7eee0375145b417fdd34 # v2.2.0
-        with:
-          github-token: "${{ secrets.GITHUB_TOKEN }}"
-
-      - run: gh pr review --approve "$PR_URL"
-        env:
-          PR_URL: ${{github.event.pull_request.html_url}}
-          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}