Add keepalive workflow

.github/workflows/keepalive.yml

@@ -0,0 +1,15 @@
+name: Prevent github from suspending scheduled actions
+on:
+  schedule:
+    - cron: "0 3 1 * *"
+  workflow_dispatch:
+permissions:
+  contents: write
+
+jobs:
+  keepalive:
+    name: Create dummy commit to prevent github from suspending actions 
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: gautamkrishnar/keepalive-workflow@v1 # using the workflow with default settings