Bump jinja2 from 3.1.5 to 3.1.6 in /docs/sphinx (#1591)

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](https://github.com/pallets/jinja/compare/3.1.5...3.1.6)

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

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

docs/sphinx/requirements.txt

@@ -81,7 +81,7 @@ ipython==8.31.0
     #   myst-nb
 jedi==0.19.2
     # via ipython
-jinja2==3.1.5
+jinja2==3.1.6
     # via
     #   myst-parser
     #   sphinx