NPM Dev(deps-dev): Bump @wordpress/eslint-plugin from 21.4.0 to 21.6.0

Bumps [@wordpress/eslint-plugin](https://github.com/WordPress/gutenberg/tree/HEAD/packages/eslint-plugin) from 21.4.0 to 21.6.0.
- [Release notes](https://github.com/WordPress/gutenberg/releases)
- [Changelog](https://github.com/WordPress/gutenberg/blob/trunk/packages/eslint-plugin/CHANGELOG.md)
- [Commits](https://github.com/WordPress/gutenberg/commits/@wordpress/[email protected]/packages/eslint-plugin)

---
updated-dependencies:
- dependency-name: "@wordpress/eslint-plugin"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -58,7 +58,7 @@
         "@tailwindcss/forms": "^0.5.8",
         "@testing-library/cypress": "^10.0.2",
         "@wordpress/env": "^10.11.0",
-        "@wordpress/eslint-plugin": "^21.4.0",
+        "@wordpress/eslint-plugin": "^21.6.0",
         "@wordpress/scripts": "^30.4.0",
         "cypress": "^13.15.2",
         "cypress-axe": "^1.5.0",