d/aws_mq_broker: Add user.replication_user

[ewbankkit]

Description

Adds the user.replication_user attribute added to the aws_mq_broker resource in #32454.

Relations

Closes #32587.

Output from Acceptance Testing

% make testacc TESTARGS='-run=TestAccMQBrokerDataSource_basic\|TestAccMQBroker_AllFields_customVPC' PKG=mq
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/mq/... -v -count 1 -parallel 20  -run=TestAccMQBrokerDataSource_basic\|TestAccMQBroker_AllFields_customVPC -timeout 180m
=== RUN   TestAccMQBrokerDataSource_basic
=== PAUSE TestAccMQBrokerDataSource_basic
=== RUN   TestAccMQBroker_AllFields_customVPC
=== PAUSE TestAccMQBroker_AllFields_customVPC
=== CONT  TestAccMQBrokerDataSource_basic
=== CONT  TestAccMQBroker_AllFields_customVPC
--- PASS: TestAccMQBrokerDataSource_basic (1186.81s)
--- PASS: TestAccMQBroker_AllFields_customVPC (1663.18s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/mq	1669.209s

[github-actions]

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[johnsonaj]

LGTM 🚀

$ make testacc TESTARGS='-run=TestAccMQBrokerDataSource_basic\|TestAccMQBroker_AllFields_customVPC' PKG=mq

==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/mq/... -v -count 1 -parallel 20  -run=TestAccMQBrokerDataSource_basic\|TestAccMQBroker_AllFields_customVPC -timeout 180m
=== RUN   TestAccMQBrokerDataSource_basic
=== PAUSE TestAccMQBrokerDataSource_basic
=== RUN   TestAccMQBroker_AllFields_customVPC
=== PAUSE TestAccMQBroker_AllFields_customVPC
=== CONT  TestAccMQBrokerDataSource_basic
=== CONT  TestAccMQBroker_AllFields_customVPC
--- PASS: TestAccMQBrokerDataSource_basic (1050.38s)
--- PASS: TestAccMQBroker_AllFields_customVPC (1713.10s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/mq	1716.415s

[github-actions]

This functionality has been released in v5.9.0 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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