Fix issue#20603

[jialei-chen]

Fixes hashicorp/terraform-provider-google#20603

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discoveryengine: changed field `dataStoreIds` to mutable in `google_discovery_engine_search_engine`

[github-actions]

Hello! I am a robot. Tests will require approval from a repository maintainer to run. Googlers: see go/terraform-auto-test-runs to set up automatic test runs.

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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 ( 2 files changed, 31 insertions(+), 3 deletions(-))
google-beta provider: Diff ( 2 files changed, 31 insertions(+), 3 deletions(-))

[modular-magician]

Tests analytics

Total tests: 14
Passed tests: 13
Skipped tests: 0
Affected tests: 1

Click here to see the affected service packages

• discoveryengine

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

• TestAccDiscoveryEngineSearchEngine_discoveryengineSearchengineBasicExample_update

Get to know how VCR tests work

[modular-magician]

🟢 Tests passed during RECORDING mode:
TestAccDiscoveryEngineSearchEngine_discoveryengineSearchengineBasicExample_update [Debug log]

🟢 No issues found for passed tests after REPLAYING rerun.

---

🟢 All tests passed!

View the build log or the debug log for each test

[khuong507]

Thank you for the fix!