BREAKING CHANGE: migrate to cloud run v2 resources

There is no impact with this bump as the options we use are still supported.

The Cloud Run Domain Mapping service is still in Pre-GA status after
more than 3 years. Google's documentation now suggest using load balancers
or Firebase Hosting as an alternative as there are limitations with the domain mapping service.
We are removing it from this module as it seems as though it will soon be deprecated.

BREAKING CHANGE: Remove Cloud Run Domain Mapping

BREAKING CHANGE: The default SSL policy restricts TLS to >= 1.2 and
sets the SSL profile to MODERN.