opensearch/domain: Allow fine-grained access control to be enabled

[YakDriver]

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Closes #22955

Output from acceptance testing:

% make testacc TESTS=TestAccOpenSearchDomain_AdvancedSecurityOptions PKG=opensearch 
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/opensearch/... -v -count 1 -parallel 20 -run='TestAccOpenSearchDomain_AdvancedSecurityOptions'  -timeout 180m
--- PASS: TestAccOpenSearchDomain_AdvancedSecurityOptions_iam (1671.35s)
--- PASS: TestAccOpenSearchDomain_AdvancedSecurityOptions_disabled (1740.94s)
--- PASS: TestAccOpenSearchDomain_AdvancedSecurityOptions_userDB (1732.27s)
--- PASS: TestAccOpenSearchDomain_AdvancedSecurityOptions_anonymousAuth (4110.52s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/opensearch	4112.037s

[ewbankkit]

LGTM 🚀.

% make testacc TESTARGS='-run=TestAccOpenSearchDomain_AdvancedSecurityOptions_\|TestAccOpenSearchDomain_basic' PKG=opensearch ACCTEST_PARALLELISM=2
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/opensearch/... -v -count 1 -parallel 2  -run=TestAccOpenSearchDomain_AdvancedSecurityOptions_\|TestAccOpenSearchDomain_basic -timeout 180m
=== RUN   TestAccOpenSearchDomain_basic
=== PAUSE TestAccOpenSearchDomain_basic
=== RUN   TestAccOpenSearchDomain_AdvancedSecurityOptions_userDB
=== PAUSE TestAccOpenSearchDomain_AdvancedSecurityOptions_userDB
=== RUN   TestAccOpenSearchDomain_AdvancedSecurityOptions_anonymousAuth
=== PAUSE TestAccOpenSearchDomain_AdvancedSecurityOptions_anonymousAuth
=== RUN   TestAccOpenSearchDomain_AdvancedSecurityOptions_iam
=== PAUSE TestAccOpenSearchDomain_AdvancedSecurityOptions_iam
=== RUN   TestAccOpenSearchDomain_AdvancedSecurityOptions_disabled
=== PAUSE TestAccOpenSearchDomain_AdvancedSecurityOptions_disabled
=== CONT  TestAccOpenSearchDomain_basic
--- PASS: TestAccOpenSearchDomain_AdvancedSecurityOptions_iam (1666.89s)
=== CONT  TestAccOpenSearchDomain_AdvancedSecurityOptions_anonymousAuth
--- PASS: TestAccOpenSearchDomain_basic (1694.26s)
=== CONT  TestAccOpenSearchDomain_AdvancedSecurityOptions_disabled
--- PASS: TestAccOpenSearchDomain_AdvancedSecurityOptions_disabled (1719.33s)
=== CONT  TestAccOpenSearchDomain_AdvancedSecurityOptions_userDB
--- PASS: TestAccOpenSearchDomain_AdvancedSecurityOptions_userDB (1822.06s)
--- PASS: TestAccOpenSearchDomain_AdvancedSecurityOptions_anonymousAuth (5742.65s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/opensearch	5754.942s

[github-actions]

This functionality has been released in v4.29.0 of the Terraform AWS Provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

For further feature requests or bug reports with this functionality, please create a new GitHub issue following the template. Thank you!

[github-actions]

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If you have found a problem that seems related to this change, please open a new issue and complete the issue template so we can capture all the details necessary to investigate further.