Bump jinja2 from 2.11.3 to 3.1.3 in /docs

Bumps [jinja2](https://github.com/pallets/jinja) from 2.11.3 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@2.11.3...3.1.3)

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

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

Author: dependabot[bot]

docs/requirements.txt

@@ -3,7 +3,7 @@ sphinx==1.8.6
 sphinx-rtd-theme==1.2.0
 sphinxcontrib-napoleon==0.7
 invoke==2.2.0
-jinja2==2.11.3
+jinja2==3.1.3
 MarkupSafe==2.0.1
 pytest==7.2.2
 ansible==4.10.0