Dependabot + auto merge PRs

Author: pythoninthegrass

.github/dependabot.yml

@@ -10,4 +10,8 @@ updates:
   - package-ecosystem: "pip"      # package manager
     directory: "/"                # Files stored in repository root
     schedule:
-      interval: "monthly"
+      interval: "weekly"
+      day: "saturday"
+      time: "10:00"
+      timezone: "America/Chicago"
+    open-pull-requests-limit: 5

.github/workflows/auto_approve.yml

@@ -0,0 +1,28 @@
+# https://docs.github.com/en/code-security/dependabot/working-with-dependabot/automating-dependabot-with-github-actions#approve-a-pull-request
+
+name: auto_merge
+on: [pull_request, workflow_dispatch]     # pull_request, push, workflow_dispatch
+
+permissions:
+  pull-requests: write
+
+jobs:
+  dependabot:
+    runs-on: ubuntu-latest
+    if: ${{ github.actor == 'dependabot[bot]' }}
+    steps:
+      - name: Dependabot metadata
+        id: metadata
+        uses: dependabot/fetch-metadata@v1.1.1
+        with:
+          github-token: "${{ secrets.GITHUB_TOKEN }}"
+      - name: Approve a PR
+        run: gh pr review --approve "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
+      - name: Merge a PR
+        run: gh pr merge "$PR_URL" --auto --squash
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}