r/aws_rds_cluster: add domain and domain_iam_role_name to rds_cluster

[gungoren]

Description

add managed AD settings for RDS Cluster

Relations

Closes #15844.
Closes #12230.
Closes #32971.

References

Output from Acceptance Testing

% make testacc TESTS=TestAccRDSCluster_domain PKG=rds
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/rds/... -v -count 1 -parallel 20 -run='TestAccRDSCluster_domain'  -timeout 360m
=== RUN   TestAccRDSCluster_domain
=== PAUSE TestAccRDSCluster_domain
=== CONT  TestAccRDSCluster_domain
--- PASS: TestAccRDSCluster_domain (2167.36s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/rds	2173.780s
...

[github-actions]

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[ewbankkit]

LGTM 🚀.

% make testacc TESTARGS='-run=TestAccRDSCluster_domain\|TestAccRDSCluster_basic' PKG=rds
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/rds/... -v -count 1 -parallel 20  -run=TestAccRDSCluster_domain\|TestAccRDSCluster_basic -timeout 360m
=== RUN   TestAccRDSCluster_basic
=== PAUSE TestAccRDSCluster_basic
=== RUN   TestAccRDSCluster_domain
=== PAUSE TestAccRDSCluster_domain
=== CONT  TestAccRDSCluster_basic
=== CONT  TestAccRDSCluster_domain
--- PASS: TestAccRDSCluster_basic (155.35s)
--- PASS: TestAccRDSCluster_domain (2242.47s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/rds	2255.383s

[ewbankkit]

@gungoren Thanks for the contribution 🎉 👏.

[github-actions]

This functionality has been released in v5.37.0 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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