Merge pull request #281 from tomas-st/docs/sample-provider-config-ref

docs: fix sample manifest to use providerConfigRef

Author: lsviben

examples/cluster/sample/release-with-patch.yaml

@@ -43,6 +43,6 @@ spec:
           name: wp-patch
           namespace: wordpress
           optional: false
-  providerRef:
+  providerConfigRef:
     name: helm-provider