Cleanup GitHub workflows

[vjik]

Q	A
Is bugfix?	❌
New feature?	❌
Breaks BC?	❌

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.29%. Comparing base (3a33f43) to head (9a705ff).

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #811   +/-   ##
=========================================
  Coverage     96.29%   96.29%           
  Complexity     1154     1154           
=========================================
  Files           124      124           
  Lines          3540     3540           
=========================================
  Hits           3409     3409           
  Misses          131      131           

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