[Bug] Fix for Sagemaker Model VPCConfig changes attempt to update in place rather than force new

[danielw-aws]

Rollback Plan

If a change needs to be reverted, we will publish an updated version of the library.

Changes to Security Controls

Are there any changes to security controls (access controls, encryption, logging) in this pull request? If so, explain.
No

Description

Adds two tests to change VPC Config to ensure modification forces new on Subnet ID and Security Group. Changed Schema to add force new on VPCConfig object for model.go

Relations

Closes #45490

References

N/A

Output from Acceptance Testing

make testacc TESTS=TestAccSageMakerModel_vpcVpcConfigUpdate PKG=sagemaker
make: Verifying source code with gofmt...
==> Checking that code complies with gofmt requirements...
make: Running acceptance tests on branch: 🌿 b-model-vpc-config-force-new 🌿...
TF_ACC=1 go1.24.11 test ./internal/service/sagemaker/... -v -count 1 -parallel 20 -run='TestAccSageMakerModel_vpcVpcConfigUpdate'  -timeout 360m -vet=off
2025/12/05 13:02:22 Creating Terraform AWS Provider (SDKv2-style)...
2025/12/05 13:02:22 Initializing Terraform AWS Provider (SDKv2-style)...
=== RUN   TestAccSageMakerModel_vpcVpcConfigUpdate
=== PAUSE TestAccSageMakerModel_vpcVpcConfigUpdate
=== CONT  TestAccSageMakerModel_vpcVpcConfigUpdate
--- PASS: TestAccSageMakerModel_vpcVpcConfigUpdate (53.12s)
PASS
ok      github.com/hashicorp/terraform-provider-aws/internal/service/sagemaker  59.510s

[github-actions]

✅ Thank you for correcting the previously detected issues! The maintainers appreciate your efforts to make the review process as smooth as possible.

[github-actions]

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[ewbankkit]

LGTM 🚀.

% make testacc TESTARGS='-run=TestAccSageMakerModel_vpc\|TestAccSageMakerModel_basic' PKG=sagemaker
make: Verifying source code with gofmt...
==> Checking that code complies with gofmt requirements...
make: Running acceptance tests on branch: 🌿 HEAD 🌿...
TF_ACC=1 go1.24.11 test ./internal/service/sagemaker/... -v -count 1 -parallel 20  -run=TestAccSageMakerModel_vpc\|TestAccSageMakerModel_basic -timeout 360m -vet=off
2025/12/09 10:21:15 Creating Terraform AWS Provider (SDKv2-style)...
2025/12/09 10:21:15 Initializing Terraform AWS Provider (SDKv2-style)...
=== RUN   TestAccSageMakerModel_basic
=== PAUSE TestAccSageMakerModel_basic
=== RUN   TestAccSageMakerModel_vpc
=== PAUSE TestAccSageMakerModel_vpc
=== RUN   TestAccSageMakerModel_vpcConfigUpdate
=== PAUSE TestAccSageMakerModel_vpcConfigUpdate
=== CONT  TestAccSageMakerModel_basic
=== CONT  TestAccSageMakerModel_vpcConfigUpdate
=== CONT  TestAccSageMakerModel_vpc
--- PASS: TestAccSageMakerModel_basic (16.27s)
--- PASS: TestAccSageMakerModel_vpc (25.48s)
--- PASS: TestAccSageMakerModel_vpcConfigUpdate (58.78s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/sagemaker	64.390s

[YakDriver]

LGTM 🎉

[YakDriver]

LGTM 🎉

[ewbankkit]

@danielw-aws Thanks for the contribution 🎉 👏.

[github-actions]

Warning

This Issue has been closed, meaning that any additional comments are much easier for the maintainers to miss. Please assume that the maintainers will not see them.

Ongoing conversations amongst community members are welcome, however, the issue will be locked after 30 days. Moving conversations to another venue, such as the AWS Provider forum, is recommended. If you have additional concerns, please open a new issue, referencing this one where needed.

[github-actions]

This functionality has been released in v6.26.0 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!