Create repository_maintenance.yml

Author: StuartFerguson

.github/workflows/repository_maintenance.yml

@@ -0,0 +1,20 @@
+name: Maintenance Tasks
+
+on:
+  repository_dispatch:
+  workflow_dispatch:
+  schedule:
+    - cron: '0 0 * * *' # This schedule runs the workflow at midnight every day
+
+jobs:
+  cleanup-stale-branches:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Cleanup Stale Branches
+        uses: cbrgm/cleanup-stale-branches-action@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          repository: ${{ github.repository }}          
+          last-commit-age-days: 60
+          dry-run: false
+          rate-limit: true