Bump @wordpress/eslint-plugin from 17.11.0 to 21.6.0

Bumps [@wordpress/eslint-plugin](https://github.com/WordPress/gutenberg/tree/HEAD/packages/eslint-plugin) from 17.11.0 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/eslint-plugin@21.6.0/packages/eslint-plugin)

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

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -59,7 +59,7 @@
 	"@types/wordpress__components": "^23.0.11",
 	"@wordpress/e2e-test-utils-playwright": "^0.22.0",
 	"@wordpress/env": "^9.7.0",
-	"@wordpress/eslint-plugin": "^17.10.0",
+	"@wordpress/eslint-plugin": "^21.6.0",
 	"@wordpress/scripts": "^27.5.0",
 	"eslint": "^8.57.0",
 	"eslint-import-resolver-alias": "^1.1.2",