Migrate Gradle wrapper validation action.

[desrosj]

What?

The gradle/wrapper-validation-action has been migrated to gradle/actions/wrapper-validation.

Read more: https://github.com/gradle/actions/blob/main/docs/deprecation-upgrade-guide.md#the-action-gradlewrapper-validation-action-has-been-replaced-by-gradleactionswrapper-validation.

[github-actions]

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Co-authored-by: desrosj <desrosj@git.wordpress.org>

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[github-actions]

Flaky tests detected in 7a0120f.
Some tests passed with failed attempts. The failures may not be related to this commit but are still reported for visibility. See the documentation for more information.

🔍 Workflow run URL: https://github.com/WordPress/gutenberg/actions/runs/11596268432
📝 Reported issues:

• [Flaky Test] should be able to open the tags panel and create a new tag #59638 in /test/e2e/specs/editor/various/taxonomies.spec.js