fix(shared): Fix completely malformed YAML

shared/networkpolicies/allow-from-same-namespace.yaml

 ---
 apiVersion: networking.k8s.io/v1
 kind: NetworkPolicy
-name: allow-from-same-namespace
-data:
-  spec:
-    podSelector: {}
-    ingress:
+metadata:
+  name: allow-from-same-namespace
+spec:
+  podSelector: {}
+  ingress:
     - from:
       - podSelector: {}