Feat: Add oracle_database_cloud_vm_cluster datasource

[tulika-aakriti]

Part of - hashicorp/terraform-provider-google#19850

Release Note Template for Downstream PRs (will be copied)

`google_oracle_database_cloud_vm_cluster`

[github-actions]

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

@ScottSuarez, 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, 119 insertions(+))
google-beta provider: Diff ( 4 files changed, 119 insertions(+))

[modular-magician]

Tests analytics

Total tests: 6
Passed tests: 4
Skipped tests: 0
Affected tests: 2

Click here to see the affected service packages

• oracledatabase

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

• TestAccOracleDatabaseCloudExadataInfrastructure_oracledatabaseCloudExadataInfrastructureBasicExample
• TestAccOracleDatabaseCloudExadataInfrastructure_oracledatabaseCloudExadataInfrastructureFullExample

Get to know how VCR tests work

[modular-magician]

🟢 Tests passed during RECORDING mode:
TestAccOracleDatabaseCloudExadataInfrastructure_oracledatabaseCloudExadataInfrastructureBasicExample[Debug log]
TestAccOracleDatabaseCloudExadataInfrastructure_oracledatabaseCloudExadataInfrastructureFullExample[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

[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, 119 insertions(+))
google-beta provider: Diff ( 4 files changed, 119 insertions(+))

[modular-magician]

Tests analytics

Total tests: 7
Passed tests: 7
Skipped tests: 0
Affected tests: 0

Click here to see the affected service packages

• oracledatabase

🟢 All tests passed!

View the build log