Add use_default_shared_ca option to inlince CIC for iam workload identity pool

[stevenyang72]

iambeta: added `use_default_shared_ca` field to `google_iam_workload_identity_pool` resource

[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 ( 1 file changed, 56 insertions(+), 1 deletion(-))
google-beta provider: Diff ( 4 files changed, 157 insertions(+), 7 deletions(-))
terraform-google-conversion: Diff ( 1 file changed, 11 insertions(+))

[modular-magician]

Tests analytics

Total tests: 38
Passed tests: 35
Skipped tests: 2
Affected tests: 1

Click here to see the affected service packages

• iambeta

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

• TestAccIAMBetaWorkloadIdentityPool_iamWorkloadIdentityPoolFullTrustDomainModeWithDefaultSharedCaExample

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[modular-magician]

🔴 Tests failed during RECORDING mode:
TestAccIAMBetaWorkloadIdentityPool_iamWorkloadIdentityPoolFullTrustDomainModeWithDefaultSharedCaExample [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