[New Data Source] aws_wafv2_web_acls: retrieve a list of Web ACL names

[tabito-hara]

Description

• Add a new data source, aws_wafv2_web_acls, which retrieves a list of Web ACL names for the specified scope.

Relations

Closes #42004

Issue #42004 requested filter functionality by name, but it is not implemented because the corresponding AWS API, ListWebACLs, does not support filtering by name.
This functionality can instead be achieved by filtering the output of this data source using a for expression, as demonstrated in the example provided in the documentation.

References

https://docs.aws.amazon.com/ja_jp/waf/latest/APIReference/API_ListWebACLs.html

Output from Acceptance Testing

$ make testacc TESTS=TestAccWAFV2WebACLsDataSource_ PKG=wafv2 
make: Verifying source code with gofmt...
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go1.23.8 test ./internal/service/wafv2/... -v -count 1 -parallel 10 -run='TestAccWAFV2WebACLsDataSource_'  -timeout 360m -vet=off
2025/05/07 00:54:20 Initializing Terraform AWS Provider...
=== RUN   TestAccWAFV2WebACLsDataSource_basic
=== PAUSE TestAccWAFV2WebACLsDataSource_basic
=== CONT  TestAccWAFV2WebACLsDataSource_basic
--- PASS: TestAccWAFV2WebACLsDataSource_basic (38.41s)
PASS
ok      github.com/hashicorp/terraform-provider-aws/internal/service/wafv2      42.378s

[github-actions]

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[github-actions]

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