[Enhancement]: add tgw route table in aws_networkmanager_attachment_accepter ✨

[b-diggity]

Description

Adding the ability to accept Transit Gateway Route Table attachments in the aws_networkmanager_attachment_accepter resource. Currently, when trying to accept a Transit Gateway Route Table attachment, the following error is thrown:

Error: expected attachment_type to be one of [VPC SITE_TO_SITE_VPN CONNECT], got TRANSIT_GATEWAY_ROUTE_TABLE

Relations

Closes #26420 (note: I'm closing this issues since this appears to be the only remaining type not supported by the accepter)

References

https://docs.aws.amazon.com/networkmanager/latest/APIReference/API_ListAttachments.html#API_ListAttachments_RequestSyntax
https://github.com/aws/aws-sdk-go/blob/main/service/networkmanager/api.go#L23525

Output from Acceptance Testing

Note to admins/maintainers: I need help with testing this PR.

$ make testacc TESTS=TestAccXXX PKG=networkmanager

...

[github-actions]

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[ewbankkit]

LGTM 🚀.

 make testacc TESTARGS='-run=TestAccNetworkManagerTransitGatewayRouteTableAttachment_basic' PKG=networkmanager ACCTEST_PARALLELISM=2 
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/networkmanager/... -v -count 1 -parallel 2  -run=TestAccNetworkManagerTransitGatewayRouteTableAttachment_basic -timeout 180m
=== RUN   TestAccNetworkManagerTransitGatewayRouteTableAttachment_basic
=== PAUSE TestAccNetworkManagerTransitGatewayRouteTableAttachment_basic
=== CONT  TestAccNetworkManagerTransitGatewayRouteTableAttachment_basic
--- PASS: TestAccNetworkManagerTransitGatewayRouteTableAttachment_basic (1517.11s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/networkmanager	1522.930s

[ewbankkit]

@b-diggity Thanks for the contribution 🎉 👏.

[github-actions]

This functionality has been released in v5.5.0 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. Thank you!

[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.