Stop failing the run and let the user decide how to proceed

[xt0rted]

This was brought up in #124. The only time we should fail the run is when the user lacks the required permissions to trigger this step so this removes the calls to setFailed() and replaces them with debug().

To tell if this step was a success or not you can check the out params like so:

- run: echo "Runs only on /lint js command"
  if: steps.command.outputs.command-name && steps.command.outputs.command-arguments == 'js'

A subsequent PR will add a new has-command out parameter that's meant for these types of checks.

This is a breaking change for v1 so it'll be released as v2.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.74%. Comparing base (3a57d7f) to head (c20683a).
⚠️ Report is 1319 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #136   +/-   ##
=======================================
  Coverage   86.74%   86.74%           
=======================================
  Files           5        5           
  Lines          83       83           
  Branches       11       11           
=======================================
  Hits           72       72           
  Partials       11       11           

Flag	Coverage Δ
unittests	86.74% <100.00%> (ø)

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[dav009]

is this getting merged soon ?