feat(sources): update documentation

[aws-cdk-automation]

⚠️ This Pull Request updates daily and will overwrite all manual changes pushed to the branch

Updates the documentation source from upstream. See details in workflow run.

---

Automatically created by projen via the "update-source-documentation" workflow

[github-actions]

To work on this Pull Request, please create a new branch and PR. This prevents your work from being deleted by the automation.

Run the following commands inside the repo:

gh co 1530
git switch -c fix-pr-1530 && git push -u origin HEAD
gh pr create -t "fix: PR #1530" --body "Fixes https://github.com/cdklabs/awscdk-service-spec/pull/1530"

[github-actions]

@aws-cdk/aws-service-spec: Model database diff detected

└[~] service aws-wafv2
  └ resources
     ├[~]  resource AWS::WAFv2::RuleGroup
     │  └ types
     │     └[~] type Rule
     │       └ properties
     │          └ RuleLabels: (documentation changed)
     └[~]  resource AWS::WAFv2::WebACL
        └ types
           └[~] type Rule
             └ properties
                └ RuleLabels: (documentation changed)