Feat/improve cicd part5

[dennisbader]

Checklist before merging this PR:

• Mentioned all issues that this PR fixes or addresses.
• Summarized the updates of this PR under Summary.
• Added an entry under Unreleased in the Changelog.

Summary

Improve release workflow:

• fixes failing docker deployment
• removes gradle dependency
• improves caching

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.88%. Comparing base (a7837c7) to head (0a05878).
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2583      +/-   ##
==========================================
- Coverage   93.89%   93.88%   -0.02%     
==========================================
  Files         139      139              
  Lines       14888    14874      -14     
==========================================
- Hits        13979    13964      -15     
- Misses        909      910       +1     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.