Bump jinja2 from 3.1.5 to 3.1.6 in /docs/source

Bumps [jinja2](https://github.com/pallets/jinja) from 3.1.5 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@3.1.5...3.1.6)

---
updated-dependencies:
- dependency-name: jinja2
  dependency-version: 3.1.6
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

docs/source/requirements.txt

@@ -6,7 +6,7 @@ charset-normalizer==3.4.1
 docutils==0.21.2
 idna==3.10
 imagesize==1.4.1
-Jinja2==3.1.5
+Jinja2==3.1.6
 MarkupSafe==3.0.2
 packaging==24.2
 Pygments==2.19.1