Bump jinja2 from 3.1.4 to 3.1.6 in /doc (#888)

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]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

doc/requirements.txt

@@ -3,7 +3,7 @@ autodoc-pydantic==2.0.1
 Babel==2.14.0
 docutils==0.20.1
 imagesize==1.4.1
-Jinja2==3.1.4
+Jinja2==3.1.6
 pydantic==2.6.2
 pydantic-settings==2.2.1
 pydantic_core==2.16.3