Update error message wording to reflect change in AWS API

[finferflu]

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Closes #11711

Release note for CHANGELOG:

Fix  "BadRequestException" error while updating an API Gateway account.

Output from acceptance testing:

$ make testacc TEST=./aws TESTARGS='-run=TestAccAWSAPIGatewayAccount'
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./aws -v -count 1 -parallel 20 -run=TestAccAWSAPIGatewayAccount -timeout 120m
=== RUN   TestAccAWSAPIGatewayAccount_basic
=== PAUSE TestAccAWSAPIGatewayAccount_basic
=== CONT  TestAccAWSAPIGatewayAccount_basic
--- PASS: TestAccAWSAPIGatewayAccount_basic (102.99s)
PASS
ok      github.com/terraform-providers/terraform-provider-aws/aws       107.050s

[bflad]

Looks good to me, thanks @finferflu 🚀 This will also fix the following daily acceptance testing failure:

--- FAIL: TestAccAWSAPIGatewayAccount_basic (7.69s)
    testing.go:640: Step 0 error: errors during apply:
        
        Error: Updating API Gateway Account failed: BadRequestException: The role ARN does not have required permissions configured. Please grant trust permission for API Gateway and add the required role policy.

Output from acceptance testing:

--- PASS: TestAccAWSAPIGatewayAccount_basic (96.49s)

[ghost]

This has been released in version 2.46.0 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!

[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!