feat(infra-net): add new Secret for Infra Net credentials and configure HelmRelease dependencies

flux/infrastructure/secrets/namespaces.yaml

@@ -14,3 +14,8 @@ apiVersion: v1
 kind: Namespace
 metadata:
   name: infra-gitops
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: infra-net