Bump @wordpress/wordcount from 4.12.0 to 4.13.0

Bumps [@wordpress/wordcount](https://github.com/WordPress/gutenberg/tree/HEAD/packages/wordcount) from 4.12.0 to 4.13.0.
- [Release notes](https://github.com/WordPress/gutenberg/releases)
- [Changelog](https://github.com/WordPress/gutenberg/blob/trunk/packages/wordcount/CHANGELOG.md)
- [Commits](https://github.com/WordPress/gutenberg/commits/@wordpress/wordcount@4.13.0/packages/wordcount)

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

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

package.json

@@ -73,7 +73,7 @@
 		"@wordpress/plugins": "^7.13.0",
 		"@wordpress/scripts": "^27.9.0",
 		"@wordpress/url": "^4.13.0",
-		"@wordpress/wordcount": "^4.12.0",
+		"@wordpress/wordcount": "^4.13.0",
 		"concurrently": "^9.1.0",
 		"eslint-plugin-jest": "^28.9.0",
 		"husky": "^9.1.7",