Add import support for aws_iam_user_group_membership resource

[teraken0509]

Fixes #6698

Changes proposed in this pull request:

• Add import support for aws_iam_user_group_membership

Output from acceptance testing:

$ make testacc TESTARGS='-run=TestAccAWSUserGroupMembership_basic'
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./... -v -parallel 20 -run=TestAccAWSUserGroupMembership_basic -timeout 120m
?   	github.com/terraform-providers/terraform-provider-aws	[no test files]
=== RUN   TestAccAWSUserGroupMembership_basic
=== PAUSE TestAccAWSUserGroupMembership_basic
=== CONT  TestAccAWSUserGroupMembership_basic
--- PASS: TestAccAWSUserGroupMembership_basic (108.29s)
PASS
ok  	github.com/terraform-providers/terraform-provider-aws/aws	(cached)
...

[bflad]

LGTM, thanks @kterada0509 🚀

--- PASS: TestAccAWSUserGroupMembership_basic (30.31s)

[bflad]

This has been released in version 2.6.0 of the Terraform AWS provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

[jason-colby-brown]

Is there a plan to add the same support for the 'aws_iam_group_membership' resource?

[bflad]

@jason-colby-brown thanks for asking. Please open a new feature request GitHub issue so that work can be appropriately tracked.

[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!