Service ingress cannot be set

[andrewmackett]

At the moment the module does not allow for the ingress settings to be configured to restrict access to the Cloud Run service.
https://cloud.google.com/run/docs/securing/ingress

I've opened PR #2 to replace the local.service_ingress value for a variable that can be configured.

[garbetjie]

Hey @andrewmackett. My apologies, I forgot to close this issue, but I pushed changes resolving the PR in commit e366e17.