Merge pull request #327 from vmware-tanzu/example/update-repository-spec

example: match source-controller's duration unmarshalling

examples/source-to-knative-service/app-operator/supply-chain-templates.yaml

@@ -36,7 +36,7 @@ spec:
     metadata:
       name: $(workload.metadata.name)$
     spec:
-      interval: 1m
+      interval: 1m0s
       url: $(workload.spec.source.git.url)$
       ref: $(workload.spec.source.git.ref)$
       gitImplementation: libgit2