resource/aws_rds_cluster: Set port to force new resource

[bflad]

To prevent perpetual difference if you try to update it.

Closes #2581

Tests

24 tests passed (all tests)
=== RUN   TestAccAWSRDSCluster_missingUserNameCausesError
--- PASS: TestAccAWSRDSCluster_missingUserNameCausesError (3.78s)
=== RUN   TestAccAWSRDSCluster_generatedName
--- PASS: TestAccAWSRDSCluster_generatedName (124.94s)
=== RUN   TestAccAWSRDSCluster_updateIamRoles
--- PASS: TestAccAWSRDSCluster_updateIamRoles (128.87s)
=== RUN   TestAccAWSRDSCluster_encrypted
--- PASS: TestAccAWSRDSCluster_encrypted (129.45s)
=== RUN   TestAccAWSRDSCluster_kmsKey
--- PASS: TestAccAWSRDSCluster_kmsKey (149.19s)
=== RUN   TestAccAWSRDSCluster_basic
--- PASS: TestAccAWSRDSCluster_basic (149.57s)
=== RUN   TestAccAWSRDSCluster_importBasic
--- PASS: TestAccAWSRDSCluster_importBasic (150.48s)
=== RUN   TestAccAWSRDSCluster_backupsUpdate
--- PASS: TestAccAWSRDSCluster_backupsUpdate (147.52s)
=== RUN   TestAccAWSRDSCluster_updateTags
--- PASS: TestAccAWSRDSCluster_updateTags (153.69s)
=== RUN   TestAccAWSRDSCluster_namePrefix
--- PASS: TestAccAWSRDSCluster_namePrefix (155.47s)
=== RUN   TestAccAWSRDSCluster_takeFinalSnapshot
--- PASS: TestAccAWSRDSCluster_takeFinalSnapshot (169.92s)
=== RUN   TestAccAWSRDSCluster_EngineVersion
--- PASS: TestAccAWSRDSCluster_EngineVersion (98.61s)
=== RUN   TestAccAWSRDSCluster_iamAuth
--- PASS: TestAccAWSRDSCluster_iamAuth (127.55s)
=== RUN   TestAccAWSRDSCluster_Port
--- PASS: TestAccAWSRDSCluster_Port (204.51s)
=== RUN   TestAccAWSRDSClusterInstance_generatedName
--- PASS: TestAccAWSRDSClusterInstance_generatedName (708.31s)
=== RUN   TestAccAWSRDSClusterInstance_withInstanceEnhancedMonitor
--- PASS: TestAccAWSRDSClusterInstance_withInstanceEnhancedMonitor (728.83s)
=== RUN   TestAccAWSRDSClusterInstance_namePrefix
--- PASS: TestAccAWSRDSClusterInstance_namePrefix (773.71s)
=== RUN   TestAccAWSRDSClusterInstance_kmsKey
--- PASS: TestAccAWSRDSClusterInstance_kmsKey (786.50s)
=== RUN   TestAccAWSRDSClusterInstance_importBasic
--- PASS: TestAccAWSRDSClusterInstance_importBasic (788.07s)
=== RUN   TestAccAWSRDSClusterInstance_az
--- PASS: TestAccAWSRDSClusterInstance_az (818.54s)
=== RUN   TestAccAWSRDSClusterInstance_disappears
--- PASS: TestAccAWSRDSClusterInstance_disappears (833.54s)
=== RUN   TestAccAWSRDSClusterInstance_withInstancePerformanceInsights
--- PASS: TestAccAWSRDSClusterInstance_withInstancePerformanceInsights (959.41s)
=== RUN   TestAccAWSRDSCluster_EncryptedCrossRegionReplication
--- PASS: TestAccAWSRDSCluster_EncryptedCrossRegionReplication (1479.90s)
=== RUN   TestAccAWSRDSClusterInstance_basic
--- PASS: TestAccAWSRDSClusterInstance_basic (1501.19s)

[katbyte]

LGMT👍

[bflad]

This has been released in version 1.14.1 of the AWS provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

[ghost]

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

If you feel this issue should be reopened, we encourage creating a new issue linking back to this one for added context. Thanks!