Bump jinja2 from 3.1.4 to 3.1.6 in /requirements/docs

Bumps [jinja2](https://github.com/pallets/jinja) from 3.1.4 to 3.1.6.
- [Release notes](https://github.com/pallets/jinja/releases)
- [Changelog](https://github.com/pallets/jinja/blob/main/CHANGES.rst)
- [Commits](pallets/jinja@3.1.4...3.1.6)

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

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

Author: dependabot[bot]

requirements/docs/requirements.txt

@@ -7,7 +7,7 @@ docutils==0.20.1 ; python_version >= "3.9"
 idna==3.8 ; python_version >= "3.9"
 imagesize==1.4.1 ; python_version >= "3.9"
 importlib-metadata==8.4.0 ; python_version < "3.10" and python_version >= "3.9"
-jinja2==3.1.4 ; python_version >= "3.9"
+jinja2==3.1.6 ; python_version >= "3.9"
 markupsafe==2.1.5 ; python_version >= "3.9"
 packaging==24.1 ; python_version >= "3.9"
 pygments==2.18.0 ; python_version >= "3.9"