Bump jinja2 from 2.10.1 to 3.1.5 in /Otherfiles

Bumps [jinja2](https://github.com/pallets/jinja) from 2.10.1 to 3.1.5.
- [Release notes](https://github.com/pallets/jinja/releases)
- [Changelog](https://github.com/pallets/jinja/blob/main/CHANGES.rst)
- [Commits](pallets/jinja@2.10.1...3.1.5)

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

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

Otherfiles/doc-requirements.txt

@@ -5,4 +5,4 @@ traitlets==4.3.3
 nbconvert==5.6.1
 jupyter_contrib_nbextensions==0.5.1
 MarkupSafe==2.0.1
-jinja2==2.10.1
+jinja2==3.1.5