Bump django-simple-history from 3.0.0 to 3.1.1

Bumps [django-simple-history](https://github.com/jazzband/django-simple-history) from 3.0.0 to 3.1.1.
- [Release notes](https://github.com/jazzband/django-simple-history/releases)
- [Changelog](https://github.com/jazzband/django-simple-history/blob/master/CHANGES.rst)
- [Commits](jazzband/django-simple-history@3.0.0...3.1.1)

---
updated-dependencies:
- dependency-name: django-simple-history
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements/base.txt

@@ -11,7 +11,7 @@ django-extensions==3.2.0
 django-grappelli==3.0.3
 django-guardian==2.4.0
 django-modern-rpc==0.12.1
-django-simple-history==3.0.0
+django-simple-history==3.1.1
 django-tree-queries==0.11.0
 django-uuslug==2.0.0
 jira==3.4.1