resource/aws_msk_cluster: Support instance_type update

[shuheiktgw]

Community Note

• Please vote on this pull request by adding a 👍 reaction to the original pull request comment to help the community and maintainers prioritize this request
• Please do not leave "+1" or other comments that do not add relevant new information or questions, they generate extra noise for pull request followers and do not help prioritize the request

Closes #17264

Output from acceptance testing:

$ make testacc TESTARGS='-run=TestAccAWSMskCluster_BrokerNodeGroupInfo_InstanceType'
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./aws -v -count 1 -parallel 20 -run=TestAccAWSMskCluster_BrokerNodeGroupInfo_InstanceType -timeout 120m
=== RUN   TestAccAWSMskCluster_BrokerNodeGroupInfo_InstanceType
=== PAUSE TestAccAWSMskCluster_BrokerNodeGroupInfo_InstanceType
=== CONT  TestAccAWSMskCluster_BrokerNodeGroupInfo_InstanceType
--- PASS: TestAccAWSMskCluster_BrokerNodeGroupInfo_InstanceType (5663.60s)
PASS
ok  	github.com/terraform-providers/terraform-provider-aws/aws	5665.564s

Thank you for your review!

[bflad]

Thank you so much, @shuheiktgw, will add CHANGELOG on merge 🚀

Output from acceptance testing (all passing in Commercial and GovCloud):

--- PASS: TestAccAWSMskCluster_EncryptionInfo_EncryptionAtRestKmsKeyArn (1228.52s)
--- PASS: TestAccAWSMskCluster_EncryptionInfo_EncryptionInTransit_InCluster (1233.17s)
--- PASS: TestAccAWSMskCluster_Tags (1234.40s)
--- PASS: TestAccAWSMskCluster_EnhancedMonitoring (1253.82s)
--- PASS: TestAccAWSMskCluster_EncryptionInfo_EncryptionInTransit_ClientBroker (1295.63s)
--- PASS: TestAccAWSMskCluster_basic (1302.42s)
--- PASS: TestAccAWSMskCluster_OpenMonitoring (1412.31s)
--- PASS: TestAccAWSMskCluster_LoggingInfo (1424.35s)
--- PASS: TestAccAWSMskCluster_BrokerNodeGroupInfo_EbsVolumeSize (1452.58s)
--- PASS: TestAccAWSMskCluster_NumberOfBrokerNodes (1732.59s)
--- PASS: TestAccAWSMskCluster_ConfigurationInfo_Revision (1761.38s)
--- PASS: TestAccAWSMskCluster_ClientAuthentication_Sasl_Scram (2698.90s)
--- PASS: TestAccAWSMskCluster_KafkaVersionDowngrade (2703.47s)
--- PASS: TestAccAWSMskCluster_KafkaVersionUpgrade (3312.54s)
--- PASS: TestAccAWSMskCluster_KafkaVersionUpgradeWithConfigurationInfo (3324.70s)
--- PASS: TestAccAWSMskCluster_BrokerNodeGroupInfo_InstanceType (4129.07s)

[ghost]

This has been released in version 3.39.0 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 for triage. Thanks!

[github-actions]

I'm going to lock this pull request because it has been closed for 30 days ⏳. This helps our maintainers find and focus on the active issues.
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.