chore: react native nightly latest

[mdjastrzebski]

Summary

Automatic nightly validation for react-native@latest in order to detect issues early.

Also:

• refactor other nightly jobs to match the same pattern

Test plan

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.10%. Comparing base (a38d932) to head (7042653).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1815      +/-   ##
==========================================
+ Coverage   90.02%   90.10%   +0.08%     
==========================================
  Files          98       98              
  Lines        5852     5852              
  Branches      606      607       +1     
==========================================
+ Hits         5268     5273       +5     
+ Misses        579      574       -5     
  Partials        5        5              

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