also clone submodules to bring the kubernetes cluster manifests

Author: VigneshVSV

.github/workflows/ci.yaml

@@ -22,6 +22,8 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
+        with:
+          submodules: recursive
 
       # Install the cosign tool
       # https://github.com/sigstore/cosign-installer