setup keepalive workflow

Author: bgctw

.github/workflows/CompatHelper.yml

@@ -14,3 +14,13 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           COMPATHELPER_PRIV: ${{ secrets.DOCUMENTER_KEY }}
         run: julia -e 'using CompatHelper; CompatHelper.main()'
+  keepalive-job:
+    name: Keepalive Workflow
+    runs-on: ubuntu-latest
+    permissions:
+      actions: write
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: 'keepalive'      # The branch, tag or SHA to checkout.       
+      - uses: gautamkrishnar/keepalive-workflow@v2