added keepalive job

.github/workflows/fedora-mate-build.yml

@@ -7,7 +7,7 @@ name: Fedora MATE build
 
 on:
   schedule:
-    - cron: '39 15 * * *'
+    - cron: '0 3 * * *'
   push:
     branches: [ "main" ]
     paths:
@@ -77,3 +77,12 @@ jobs:
           labels: ${{ steps.meta.outputs.labels }}
           cache-from: type=gha
           cache-to: type=gha,mode=max
+
+  keepalive-job:
+    name: Keepalive Workflow
+    runs-on: ubuntu-latest
+    permissions:
+      actions: write
+    steps:
+      - uses: actions/checkout@v4
+      - uses: gautamkrishnar/keepalive-workflow@v2