Only run linting on CI and release; fail CI if any step fails

[bryanforbes]

• Only runs linting during release and CI
• Fail CI if anything in the pipeline fails

[codecov]

Codecov Report

Merging #160 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #160   +/-   ##
=======================================
  Coverage   56.94%   56.94%           
=======================================
  Files           8        8           
  Lines         497      497           
  Branches      118      118           
=======================================
  Hits          283      283           
  Misses        214      214

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