refactor actions

[d-chambers]

Description

This PR uses composite actions to greatly reduce redundancy in current github workfows.

Checklist

I have (if applicable):

• referenced the GitHub issue this PR closes.
• documented the new feature with docstrings or appropriate doc page.
• included a test. See testing guidelines.
• your name has been added to the contributors page (docs/contributors.md).
• added the "ready_for_review" tag once the PR is ready to be reviewed.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.85%. Comparing base (084f21f) to head (208b86f).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #477   +/-   ##
=======================================
  Coverage   99.85%   99.85%           
=======================================
  Files         118      118           
  Lines        9700     9700           
=======================================
  Hits         9686     9686           
  Misses         14       14           

Flag	Coverage Δ
unittests	99.85% <ø> (ø)

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