⬆(deps): Bump django-simple-history from 3.3.0 to 3.4.0

Bumps [django-simple-history](https://github.com/jazzband/django-simple-history) from 3.3.0 to 3.4.0.
- [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@3.3.0...3.4.0)

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

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

requirements.txt

@@ -10,7 +10,7 @@ django-extensions==3.2.3
 django-ical==1.9.2
 django-multiselectfield==0.1.12
 django-phonenumber-field[phonenumbers]==7.1.0
-django-simple-history==3.3.0
+django-simple-history==3.4.0
 sorl-thumbnail==12.9.0
 
 # Packages related to authentication and other "social" stuff