fix: cli test manifests (#8397)

Signed-off-by: Charles-Edouard Brétéché <charles.edouard@nirmata.com>

test/cli/test-generate/sync-multiple-resources/policy.yaml

@@ -1,3 +1,4 @@
+apiVersion: kyverno.io/v1
 kind: ClusterPolicy
 metadata:
   name: sync-controller-data

test/cli/test/images/digest/policies.yaml

@@ -15,6 +15,7 @@ spec:
       verifyImages:
         - imageReferences:
             - "*"
+          required: false
           verifyDigest: true
-
+          mutateDigest: false
 

test/cli/test/simple/policy.yaml

@@ -40,7 +40,6 @@ apiVersion: kyverno.io/v1
 kind: ClusterPolicy
 metadata:
   name: duration-test
-  namespace: kyverno
 spec:
   background: true
   validationFailureAction: enforce