tmp: test action

[KevinMind]

Relates to: mozilla/addons#5872

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (bdc17e7) 98.28% compared to head (e07c491) 98.28%.

❗ Current head e07c491 differs from pull request most recent head 92daf39. Consider uploading reports for the commit 92daf39 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##           master   mozilla/addons-server#12800   +/-   ##
=======================================
  Coverage   98.28%   98.28%           
=======================================
  Files         268      268           
  Lines       10519    10519           
  Branches     3187     3187           
=======================================
  Hits        10339    10339           
  Misses        167      167           
  Partials       13       13           

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[KevinMind]

Generated this PR: #12801

[KevinMind]

I've merged all of the scripts into a single zx executable. It extracts and merges locales for the current code base. It is pretty fast 2x the previous set of scripts (<15seconds locally and in CI)

Local Options

1. Run the locale.mjs script as a pre-commit hook
2. Run the babel plugin directly in our dev and prod builds

CI options

1. Run on every PR, failing if locales are not built
2. Run on pull requests, pre merge (may need queue to do that I'm not sure)
3. Run on master commits, post merge but pre tag
   a. we can commit directly on master
   b. we could open a PR with the generated locale changes.

All options would work, it's more about the kind of experience we want to have.