ci: simplify test scripts and separate coverage from test runs

[WilliamBergamin]

Summary

• Separated test coverage from regular test runs each package now has a test script and a test:coverage script. Previously most packages aliased test to test:unit which always included coverage instrumentation.
• Removed the test:node18 scripts these were workarounds for Node 18 lacking --test-reporter support.
• Simplified CI workflow replaced the split Run tests (Node 18/20) / Run tests (Node 22+) steps with a single Run tests step for most matrix entries, plus a Run test coverage step only on the latest supported Node version.
• Added glob-bin as a root devDependency to replace bash -O globstar glob expansion in test scripts (cross-platform compatibility on Windows CI).

Requirements

• I've read and understood the Contributing Guidelines and have done my best effort to follow them.
• I've read and agree to the Code of Conduct.

[changeset-bot]

🦋 Changeset detected

Latest commit: a8fa914

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 0 packages

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.38%. Comparing base (a7a367d) to head (a8fa914).
⚠️ Report is 1 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2566   +/-   ##
=======================================
  Coverage   87.38%   87.38%           
=======================================
  Files          62       62           
  Lines       10256    10256           
  Branches      415      415           
=======================================
  Hits         8962     8962           
  Misses       1273     1273           
  Partials       21       21           

Flag	Coverage Δ
cli-hooks	87.38% <ø> (ø)
cli-test	87.38% <ø> (ø)
logger	87.38% <ø> (ø)
oauth	87.38% <ø> (ø)
socket-mode	87.38% <ø> (ø)
web-api	87.38% <ø> (ø)
webhook	87.38% <ø> (ø)

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[zimeg]

@WilliamBergamin Amazing improvements to CI health! I like the pattern of checking coverage for the latest version so much 🧪 ✨

I'm approving with a few notes and question about dependencies noted? If this all seems expected please do merge:

Added glob-bin as a root devDependency to replace bash -O globstar glob expansion in test scripts (cross-platform compatibility on Windows CI).

I added af3165f during review that hinted toward this package, but was this still used?

🚢 💨

[zimeg]

🔭 note: I'm so curious for what happens to this file in upcoming releases!

[WilliamBergamin]

Same! originally I thought of adding a patch to each package but that would be inaccurate because this does not actually have any effect on what the user consumes

[zimeg]

🧠 praise: Super nice to surface this clear!

[zimeg]

🏆 praise: These patterns are joined well here!