Bump stringz from 1.0.0 to 2.0.0 (#11168)

Bumps [stringz](https://github.com/sallar/stringz) from 1.0.0 to 2.0.0.
- [Release notes](https://github.com/sallar/stringz/releases)
- [Changelog](https://github.com/sallar/stringz/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sallar/stringz/commits)

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

package.json

@@ -152,7 +152,7 @@
     "rimraf": "^2.6.3",
     "sass": "^1.20.3",
     "sass-loader": "^7.0.3",
-    "stringz": "^1.0.0",
+    "stringz": "^2.0.0",
     "substring-trie": "^1.0.2",
     "terser-webpack-plugin": "^1.3.0",
     "throng": "^4.0.0",