Merge branch 'issue-40-ignore-op-id-annotation' into 'master'

ignore operation-id annotation

Closes #40

See merge request !54

main.tf

@@ -176,6 +176,7 @@ resource "google_cloud_run_service" "webapp" {
       template[0].metadata[0].annotations["run.googleapis.com/client-name"],
       template[0].metadata[0].annotations["run.googleapis.com/client-version"],
       template[0].metadata[0].annotations["run.googleapis.com/sandbox"],
+      metadata[0].annotations["run.googleapis.com/operation-id"],
 
       # These are only changed when "run.googleapis.com/launch-stage" is "BETA".
       # It's non-trivial to make ignore_changes dependent on input variables so