Add support for setting Pub/Sub Cloud Storage subscription max_messages and use_topic_schema

[lahuang4]

Fixes hashicorp/terraform-provider-google#19317.
Fixes hashicorp/terraform-provider-google#19318.

Release Note Template for Downstream PRs (will be copied)

pubsub: added `cloud_storage_config.max_messages` and `cloud_storage_config.avro_config.use_topic_schema` fields to `google_pubsub_subscription` resource

[github-actions]

Hello! I am a robot. Tests will require approval from a repository maintainer to run.

@SarahFrench, a repository maintainer, has been assigned to review your changes. If you have not received review feedback within 2 business days, please leave a comment on this PR asking them to take a look.

You can help make sure that review is quick by doing a self-review and by running impacted tests locally.

[modular-magician]

Hi there, I'm the Modular magician. I've detected the following information about your changes:

Diff report

Your PR generated some diffs in downstreams - here they are.

google provider: Diff ( 4 files changed, 140 insertions(+), 20 deletions(-))
google-beta provider: Diff ( 4 files changed, 140 insertions(+), 20 deletions(-))
terraform-google-conversion: Diff ( 1 file changed, 22 insertions(+))
Open in Cloud Shell: Diff ( 2 files changed, 3 insertions(+))

[modular-magician]

Tests analytics

Total tests: 51
Passed tests: 45
Skipped tests: 1
Affected tests: 5

Click here to see the affected service packages

• pubsub

Action taken

Found 5 affected test(s) by replaying old test recordings. Starting RECORDING based on the most recent commit. Click here to see the affected tests

• TestAccPubsubSubscriptionCloudStorage_serviceAccount
• TestAccPubsubSubscriptionCloudStorage_updateAvro
• TestAccPubsubSubscriptionCloudStorage_updateText
• TestAccPubsubSubscription_pubsubSubscriptionPushCloudstorageAvroExample
• TestAccPubsubSubscription_pubsubSubscriptionPushCloudstorageExample

Get to know how VCR tests work

[modular-magician]

$\textcolor{green}{\textsf{Tests passed during RECORDING mode:}}$
TestAccPubsubSubscriptionCloudStorage_serviceAccount[Debug log]
TestAccPubsubSubscriptionCloudStorage_updateAvro[Debug log]
TestAccPubsubSubscriptionCloudStorage_updateText[Debug log]
TestAccPubsubSubscription_pubsubSubscriptionPushCloudstorageAvroExample[Debug log]
TestAccPubsubSubscription_pubsubSubscriptionPushCloudstorageExample[Debug log]

$\textcolor{green}{\textsf{No issues found for passed tests after REPLAYING rerun.}}$

---

$\textcolor{green}{\textsf{All tests passed!}}$

View the build log or the debug log for each test

[SarahFrench]

LGTM, thank you for the submission and fixing those sevrice/service typos!

I'll merge this on Monday

[lahuang4]

Much appreciated, Sarah!