Bump jinja2 from 3.1.2 to 3.1.4 in /doc

Bumps [jinja2](https://github.com/pallets/jinja) from 3.1.2 to 3.1.4.
- [Release notes](https://github.com/pallets/jinja/releases)
- [Changelog](https://github.com/pallets/jinja/blob/main/CHANGES.rst)
- [Commits](pallets/jinja@3.1.2...3.1.4)

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

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

doc/requirements.txt

@@ -10,7 +10,7 @@ docutils==0.18.1
 future==0.18.3
 idna==3.3
 imagesize==1.3.0
-Jinja2==3.1.2
+Jinja2==3.1.4
 MarkupSafe==2.1.1
 networkx==2.6.0
 ninja==1.10.2.3