Bump urllib3 from 2.0.7 to 2.2.2 in /web_app

Bumps [urllib3](https://github.com/urllib3/urllib3) from 2.0.7 to 2.2.2.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@2.0.7...2.2.2)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-type: direct:production
...

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

web_app/requirements.txt

@@ -39,7 +39,7 @@ requests==2.31.0
 simple-websocket==1.0.0
 six==1.16.0
 typing_extensions==4.7.1;python_version<"3.8"
-urllib3==2.0.7
+urllib3==2.2.2
 Werkzeug==3.0.1;python_version>="3.8"
 Werkzeug==2.2.3;python_version<"3.8"
 wsproto==1.2.0