fix invalid build_config.worker_pool in cloudrunv2 example and test

[dixuswe]

This is to fix failed acceptance tests TestAccCloudRunV2Service

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[github-actions[bot]]

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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, 4 deletions(-)) google-beta provider: Diff ( 3 files changed, 4 deletions(-)) Open in Cloud Shell: Diff ( 1 file changed, 1 deletion(-))

[modular-magician]

Tests analytics

Total tests: 79 Passed tests: 69 Skipped tests: 8 Affected tests: 2

Click here to see the affected service packages

• cloudrunv2

#### Action taken

Found 2 affected test(s) by replaying old test recordings. Starting RECORDING based on the most recent commit. Click here to see the affected tests

• TestAccCloudRunV2Service_cloudrunv2ServiceFunctionExample
• TestAccCloudRunV2Service_cloudrunv2ServiceFunctionExample_update

Get to know how VCR tests work

[modular-magician]

🟢 Tests passed during RECORDING mode: TestAccCloudRunV2Service_cloudrunv2ServiceFunctionExample [Debug log] TestAccCloudRunV2Service_cloudrunv2ServiceFunctionExample_update [Debug log]

🟢 No issues found for passed tests after REPLAYING rerun.

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🟢 All tests passed!

View the build log or the debug log for each test