build(release): added release workflow

[pamburus]

This pull request switches from using a personal access token to using an application token to push changes to the main branch.
This should resolve issues with pushing to protected branches without pull requests.
See #1070 for the original implementation.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.64%. Comparing base (f1863d6) to head (a5db1b1).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1072   +/-   ##
=======================================
  Coverage   88.64%   88.64%           
=======================================
  Files          47       47           
  Lines       13681    13681           
=======================================
  Hits        12128    12128           
  Misses       1553     1553           

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