[Bug]: expected storage_type to be one of [standard gp2 io1], got gp3 for RDS storage type

[markvdlaan93]

Terraform Core Version

1.2.1

AWS Provider Version

4.39.0

Affected Resource(s)

• aws_db_instance

Expected Behavior

It should be possible to adjust storage_type to gp3.

Actual Behavior

expected storage_type to be one of [standard gp2 io1], got gp3

Relevant Error/Panic Output Snippet

No response

Terraform Configuration Files

resource "aws_db_instance" "this" {
  ......
  storage_type = "gp3"
  ......
}

### Steps to Reproduce

Run `terraform plan` on a `aws_db_instance` resource with storage_type value gp3

### Debug Output

_No response_

### Panic Output

_No response_

### Important Factoids

_No response_

### References

https://aws.amazon.com/about-aws/whats-new/2022/11/amazon-rds-general-purpose-gp3-storage-volumes/

### Would you like to implement a fix?

_No response_

[github-actions]

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[ewbankkit]

@markvdlaan93 Thanks for raising this issue.
It has already been noticed in #27702. I'm going to close this one as a duplicate so that we can concentrate discussion in the linked issue.
Please add any additional comments there.

[github-actions]

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