make index_configs O+C in google_logging_organization_bucket_config

[shuyama1]

This should fix the failing test TestAccLoggingBucketConfigOrganization_basic in VCR (and also nightly)

Release Note Template for Downstream PRs (will be copied)

logging: fixed a permadiff on `index_configs` in `google_logging_organization_bucket_config` 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, 1 insertion(+))
google-beta provider: Diff ( 1 file changed, 1 insertion(+))

[modular-magician]

Tests analytics

Total tests: 76
Passed tests: 73
Skipped tests: 2
Affected tests: 1

Click here to see the affected service packages

• logging

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

TestAccLoggingBucketConfigOrganization_basic

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[modular-magician]

$\textcolor{green}{\textsf{Tests passed during RECORDING mode:}}$
TestAccLoggingBucketConfigOrganization_basic[Debug log]

$\textcolor{green}{\textsf{No issues found for passed tests after REPLAYING rerun.}}$

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$\textcolor{green}{\textsf{All tests passed!}}$
View the build log or the debug log for each test