build(deps): bump jinja2 from 3.1.2 to 3.1.3 in /images/hub

Bumps [jinja2](https://github.com/pallets/jinja) from 3.1.2 to 3.1.3.
- [Release notes](https://github.com/pallets/jinja/releases)
- [Changelog](https://github.com/pallets/jinja/blob/main/CHANGES.rst)
- [Commits](pallets/jinja@3.1.2...3.1.3)

---
updated-dependencies:
- dependency-name: jinja2
  dependency-type: indirect
...

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

Author: dependabot[bot]

images/hub/requirements.txt

@@ -49,7 +49,7 @@ idna==3.6
     # via
     #   requests
     #   yarl
-jinja2==3.1.2
+jinja2==3.1.3
     # via
     #   jupyterhub
     #   jupyterhub-kubespawner