build(deps): update jinja2 requirement in /docs/mkdocs in the pip group

Updates the requirements on [jinja2](https://github.com/pallets/jinja) to permit the latest version.

Updates `jinja2` to 3.1.4
- [Release notes](https://github.com/pallets/jinja/releases)
- [Changelog](https://github.com/pallets/jinja/blob/main/CHANGES.rst)
- [Commits](pallets/jinja@2.0rc1...3.1.4)

---
updated-dependencies:
- dependency-name: jinja2
  dependency-type: direct:production
  dependency-group: pip
...

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

docs/mkdocs/requirements.txt

@@ -1,2 +1,2 @@
-jinja2<3.1.0
+jinja2<3.2.0
 mkdocs==1.3.1