Improve Actions UX

[nenb]

Description

This PR:

• improves the UX of GitHub actions by allowing downstream users to run the action in their own fork
• removes some errors that were introduced in an action to test our dependencies by Update actions for release #606

Related Issues

#606

Checklist

N/A

Additional Notes or Comments

None

[codecov-commenter]

Codecov Report

Patch coverage has no change and project coverage change: +0.04% 🎉

Comparison is base (b08db07) 79.66% compared to head (bba24ce) 79.70%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #625      +/-   ##
==========================================
+ Coverage   79.66%   79.70%   +0.04%     
==========================================
  Files          79       79              
  Lines        4819     4819              
==========================================
+ Hits         3839     3841       +2     
+ Misses        980      978       -2     

see 1 file with indirect coverage changes

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