Update available codesigning region guards

[breathingdust]

Description

Relations

Closes #27986

References

Output from Acceptance Testing

make testacc TESTARGS='-run=TestAccLambdaFunction_codeSigning\|TestAccLambdaFunction_tracing\|TestAccLambdaFunction_basic' PKG=lambda 
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/lambda/... -v -count 1 -parallel 20  -run=TestAccLambdaFunction_codeSigning\|TestAccLambdaFunction_tracing\|TestAccLambdaFunction_basic -timeout 180m
=== RUN   TestAccLambdaFunction_basic
=== PAUSE TestAccLambdaFunction_basic
=== RUN   TestAccLambdaFunction_codeSigning
=== PAUSE TestAccLambdaFunction_codeSigning
=== RUN   TestAccLambdaFunction_tracing
=== PAUSE TestAccLambdaFunction_tracing
=== CONT  TestAccLambdaFunction_basic
=== CONT  TestAccLambdaFunction_tracing
=== CONT  TestAccLambdaFunction_codeSigning
--- PASS: TestAccLambdaFunction_basic (46.56s)
--- PASS: TestAccLambdaFunction_codeSigning (66.17s)
--- PASS: TestAccLambdaFunction_tracing (68.74s)
PASS
ok      github.com/hashicorp/terraform-provider-aws/internal/service/lambda     72.717s
...

[github-actions]

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[ewbankkit]

LGTM 🚀.

us-west-2

% make testacc TESTARGS='-run=TestAccLambdaFunction_codeSigning' PKG=lambda ACCTEST_PARALLELISM=2
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/lambda/... -v -count 1 -parallel 2  -run=TestAccLambdaFunction_codeSigning -timeout 180m
=== RUN   TestAccLambdaFunction_codeSigning
=== PAUSE TestAccLambdaFunction_codeSigning
=== CONT  TestAccLambdaFunction_codeSigning
--- PASS: TestAccLambdaFunction_codeSigning (91.88s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/lambda	98.963s

eu-central-2

% AWS_DEFAULT_REGION=eu-central-2 make testacc TESTARGS='-run=TestAccLambdaFunction_codeSigning' PKG=lambda ACCTEST_PARALLELISM=2
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/lambda/... -v -count 1 -parallel 2  -run=TestAccLambdaFunction_codeSigning -timeout 180m
=== RUN   TestAccLambdaFunction_codeSigning
    function_test.go:210: Lambda code signing config is not supported in eu-central-2 region
--- SKIP: TestAccLambdaFunction_codeSigning (0.00s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/lambda	4.389s

[github-actions]

This functionality has been released in v4.42.0 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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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.