Bump sphinx-jinja from 1.2.1 to 1.4.0

Bumps [sphinx-jinja](https://github.com/tardyp/sphinx-jinja) from 1.2.1 to 1.4.0.
- [Release notes](https://github.com/tardyp/sphinx-jinja/releases)
- [Changelog](https://github.com/tardyp/sphinx-jinja/blob/master/ChangeLog)
- [Commits](https://github.com/tardyp/sphinx-jinja/compare/1.2.1...1.4.0)

---
updated-dependencies:
- dependency-name: sphinx-jinja
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

requirements-dev.txt

@@ -10,7 +10,7 @@ twine==3.7.1
 Pallets-Sphinx-Themes==2.0.2
 Sphinx==4.3.2
 sphinx-issues==2.0.0
-sphinx-jinja==1.2.1
+sphinx-jinja==1.4.0
 sphinx-tabs==3.2.0
 sphinxcontrib-programoutput==0.17
 sphinx-autobuild==2021.3.14