This PR changes variable region's default value in example tests to real region value. Some of the modules parse the region name to decide whether to create regional or zonal resources.
* refactor cloud run resource and variables * vpc connector variables and resource * refactor env variable, combine and fix env examples * fix volume example * fix traffic split example * fix eventarc/pubsub example * fix eventarc/audit log example * fix SA examples, fix examples formatting * refactor eventarc variable * tfdoc * add IAM to example * add examples for revision annotations and serverless connector * fix new examples * remove legacy module tests * blueprint tests * Add tests to cloud-run module --------- Co-authored-by: Julio Castillo <jccb@google.com>