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 97.40%. Comparing base (ed6d570) to head (0342ecd).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #127   +/-   ##
=========================================
  Coverage     97.40%   97.40%           
  Complexity      150      150           
=========================================
  Files            14       14           
  Lines           347      347           
=========================================
  Hits            338      338           
  Misses            9        9           

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