Bump jinja2 from 3.1.1 to 3.1.3 in /docs

Bumps [jinja2](https://github.com/pallets/jinja) from 3.1.1 to 3.1.3.
- [Release notes](https://github.com/pallets/jinja/releases)
- [Changelog](https://github.com/pallets/jinja/blob/main/CHANGES.rst)
- [Commits](pallets/jinja@3.1.1...3.1.3)

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

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

docs/requirements.txt

@@ -5,7 +5,7 @@ charset-normalizer==2.0.12
 docutils==0.17.1
 idna==3.3
 imagesize==1.3.0
-Jinja2==3.1.1
+Jinja2==3.1.3
 MarkupSafe==2.1.1
 packaging==21.3
 Pygments==2.11.2