BugFix: Resolve import issues on aws_lb_target_group when specifying ip_address_type of ipv4

[brittandeyoung]

Description

Adds the reading and setting of the ip_address_type value during the resource read.

Relations

Closes #27463

References

Output from Acceptance Testing

make testacc TESTARGS='-run=TestAccELBV2TargetGroup_ipAddressType' PKG=elbv2
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/elbv2/... -v -count 1 -parallel 20  -run=TestAccELBV2TargetGroup_ipAddressType -timeout 180m
=== RUN   TestAccELBV2TargetGroup_ipAddressType
=== PAUSE TestAccELBV2TargetGroup_ipAddressType
=== CONT  TestAccELBV2TargetGroup_ipAddressType
--- PASS: TestAccELBV2TargetGroup_ipAddressType (22.02s)
PASS
ok      github.com/hashicorp/terraform-provider-aws/internal/service/elbv2      23.960s

...

[github-actions]

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[bschaatsbergen]

Good spot @brittandeyoung

[bschaatsbergen]

LGTM 🚀

[ewbankkit]

LGTM 🚀.

% make testacc TESTARGS='-run=TestAccELBV2TargetGroup_ipAddressType' PKG=elbv2
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/elbv2/... -v -count 1 -parallel 20  -run=TestAccELBV2TargetGroup_ipAddressType -timeout 180m
=== RUN   TestAccELBV2TargetGroup_ipAddressType
=== PAUSE TestAccELBV2TargetGroup_ipAddressType
=== CONT  TestAccELBV2TargetGroup_ipAddressType
--- PASS: TestAccELBV2TargetGroup_ipAddressType (24.85s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/elbv2	29.494s

[ewbankkit]

@brittandeyoung Thanks for the contribution 🎉 👏.

[github-actions]

This functionality has been released in v4.37.0 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]

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