chore(deps): bump urllib3 from 1.26.12 to 2.3.0 in /demos/jans-tent

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.12 to 2.3.0.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@1.26.12...2.3.0)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

demos/jans-tent/requirements.txt

@@ -111,7 +111,7 @@ trio==0.21.0
 trio-websocket==0.9.2
 typed-ast==1.5.4
 typing_extensions==4.3.0
-urllib3==1.26.12
+urllib3==2.3.0
 wcwidth==0.2.5
 Werkzeug==2.2.2
 wrapt==1.14.1