r/aws_cloudbuild_project: fix plan validation to take into account computed cache location

[LumaKernel]

This is required when the bucket name is not available at plan time (when using bucket_prefix or when the bucket name is computed).

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This PR cherrypicked #20618.

Closes #10195

Output from acceptance testing:

$ # It's too heavy, sorry
$ # AWS_PROFILE=acc ACCTEST_PARALLELISM=1 make testacc TESTARGS='-run=TestAccCodeBuildProject_cache'
$ AWS_PROFILE=acc TF_ACC=1 go test ./internal/service/codebuild/project_test.go -run=TestAccCodeBuildProject_cache -v -count 1 -parallel 1 -timeout 180m
=== RUN   TestAccCodeBuildProject_cache
=== PAUSE TestAccCodeBuildProject_cache
=== CONT  TestAccCodeBuildProject_cache
--- PASS: TestAccCodeBuildProject_cache (384.18s)
PASS
ok      command-line-arguments  384.235s

[github-actions]

Welcome @LumaKernel 👋

It looks like this is your first Pull Request submission to the Terraform AWS Provider! If you haven’t already done so please make sure you have checked out our CONTRIBUTING guide and FAQ to make sure your contribution is adhering to best practice and has all the necessary elements in place for a successful approval.

Also take a look at our FAQ which details how we prioritize Pull Requests for inclusion.

Thanks again, and welcome to the community! 😃

[ewbankkit]

LGTM 🚀.

% make testacc TESTARGS='-run=TestAccCodeBuildProject_basic\|TestAccCodeBuildProject_cache' PKG_NAME=internal/service/codebuild
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/codebuild/... -v -count 1 -parallel 20 -run=TestAccCodeBuildProject_basic\|TestAccCodeBuildProject_cache -timeout 180m
=== RUN   TestAccCodeBuildProject_basic
=== PAUSE TestAccCodeBuildProject_basic
=== RUN   TestAccCodeBuildProject_cache
=== PAUSE TestAccCodeBuildProject_cache
=== CONT  TestAccCodeBuildProject_basic
=== CONT  TestAccCodeBuildProject_cache
--- PASS: TestAccCodeBuildProject_basic (28.41s)
--- PASS: TestAccCodeBuildProject_cache (193.55s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/codebuild	196.519s

[ewbankkit]

@LumaKernel Thanks for the contribution 🎉 👏.

[github-actions]

This functionality has been released in v3.71.0 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.