ci: perform sample and example app tests on regression schedules

[zimeg]

Summary

This PR adds a schedule regression check and manual workflow dispatch to the samples compilation testing workflow.

Hopes to catch issues in included dependencies as soon as possible 👾 ✨

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.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.44%. Comparing base (01a1d6f) to head (a24912d).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2743   +/-   ##
=======================================
  Coverage   93.44%   93.44%           
=======================================
  Files          37       37           
  Lines        7675     7675           
  Branches      669      669           
=======================================
  Hits         7172     7172           
  Misses        498      498           
  Partials        5        5           

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[zimeg]

🗣️ A quick note for wonderful reviewers!

[zimeg]

📝 note: We have a matching step in the adjacent "ci-build" workflow but for now I didn't combine these testing steps:

bolt-js/.github/workflows/ci-build.yml

Line 44 in e2aa743

name: Regression notifications

👁️‍🗨️ ramble: Of course open to adjusting this however seems best!

[WilliamBergamin]

Fair for now 💯

[zimeg]

@WilliamBergamin @srtaalej Thanks both for the reviews! I'll hold off on merging this as CI is failing now, but I think exists in #2744 🚀

[zimeg]

@WilliamBergamin @srtaalej The encouragement to better CI inspires me - thanks for the kind reviews! 👾 ✨

I hope we don't find notifications in channel too often but I will merge this in hopes that we might.