Add support for Third Party Identity

[bcreddy-gcp]

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workbench: added `enable_third_party_identity` field to `google_workbench_instance` resource.

[github-actions]

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@rileykarson, 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.

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[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 ( 3 files changed, 42 insertions(+))
google-beta provider: Diff ( 3 files changed, 42 insertions(+))
terraform-google-conversion: Diff ( 1 file changed, 10 insertions(+))

[modular-magician]

Tests analytics

Total tests: 21
Passed tests: 20
Skipped tests: 0
Affected tests: 1

Click here to see the affected service packages

• workbench

Action taken

Found 1 affected test(s) by replaying old test recordings. Starting RECORDING based on the most recent commit. Click here to see the affected tests

• TestAccWorkbenchInstance_workbenchInstanceFullExample

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[modular-magician]

🔴 Tests failed during RECORDING mode:
TestAccWorkbenchInstance_workbenchInstanceFullExample [Error message] [Debug log]

🔴 Errors occurred during RECORDING mode. Please fix them to complete your PR.

View the build log or the debug log for each test