Update jinja2 requirement from <3.1 to <3.2

Updates the requirements on [jinja2](https://github.com/pallets/jinja) to permit the latest version.
- [Release notes](https://github.com/pallets/jinja/releases)
- [Changelog](https://github.com/pallets/jinja/blob/main/CHANGES.rst)
- [Commits](pallets/jinja@2.0rc1...3.1.5)

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

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

setup.cfg

@@ -78,7 +78,7 @@ dev =
     sphinx-rtd-theme
     tox
     types-setuptools
-    Jinja2<3.1
+    Jinja2<3.2
 
 [options.entry_points]
 # Put your entry point scripts here