Merge pull request #294 from YutaGoto/add-auto-merge

👷 add auto merge action

Author: YutaGoto

.github/CODEOWNERS

@@ -0,0 +1 @@
+* @YutaGoto

.github/workflows/dependabot-auto-merge.yml

@@ -0,0 +1,25 @@
+name: Dependabot Auto-Merge Agent
+
+on:
+  pull_request_review:
+    types: [submitted]
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  auto-merge:
+    if: github.event.review.state == 'approved' && github.event.pull_request.user.login == 'dependabot[bot]'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Fetch Dependabot metadata
+        id: metadata
+        uses: dependabot/fetch-metadata@v2
+
+      - name: Enable auto-merge
+        if: steps.metadata.outputs.update-type == 'version-update:semver-patch'
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}

.yamllint.yaml

@@ -6,6 +6,8 @@ rules:
   new-line-at-end-of-file:
     level: warning
   truthy: disable
+  line-length:
+    max: 120
 
 ignore:
   - .gem_rbs_collection/