Update deploy-cloud-run-grafana.yaml

Author: dikshant-coderabbit

.github/workflows/deploy-cloud-run-grafana.yaml

@@ -10,7 +10,7 @@ on:
 
 jobs:
   build_and_deploy:
-    runs-on: ubuntu-latest-4core
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4