Bump to 2.2.4

[fsbraun]

Description

Release version 2.2.4

Changes

• Add Django 4.1 support
• Add python 3.11 tests
• Fix thumbnail generation for SVG images when used as a Divio addon.

Checklist

• [x] I have opened this pull request against master
• [x] I have added or modified the tests when changing logic
• [x] I have followed the conventional commits guidelines to add meaningful information into the changelog
• [x] I have read the contribution guidelines and I have joined #workgroup-pr-review on Slack to find a “pr review buddy” who is going to review my pull request.

[codecov[bot]]

Codecov Report

Merging #1328 (93777b9) into master (1f3a7dd) will not change coverage. The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #1328   +/-   ##
=======================================
  Coverage   72.21%   72.21%           
=======================================
  Files          72       72           
  Lines        3239     3239           
  Branches      528      528           
=======================================
  Hits         2339     2339           
  Misses        734      734           
  Partials      166      166           

Impacted Files	Coverage Δ
filer/__init__.py	100.00% <100.00%> (ø)

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