[FEAT] Add ability to run arbitrary command on a set working directory

[raunakab]

Overview

• this PR will add the ability to run some arbitrary command on the ray cluster that the workflow has booted up
• the working directory can be specified (defaults to .github/assets)
• the command can be specified (must be provided; furthermore, empty strings will result in a failure of the workflow)

[codspeed-hq]

CodSpeed Performance Report

Merging #3404 will improve performances by 41.85%

_{Comparing feat/run-3 (de6c84d) with main (5dce4fb)}

Summary

⚡ 2 improvements
✅ 15 untouched benchmarks

Benchmarks breakdown

	Benchmark	main	feat/run-3	Change
⚡	test_iter_rows_first_row[100 Small Files]	378.7 ms	266.9 ms	+41.85%
⚡	test_show[100 Small Files]	29.8 ms	24.7 ms	+20.62%

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 77.35%. Comparing base (5dce4fb) to head (de6c84d).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3404      +/-   ##
==========================================
- Coverage   77.35%   77.35%   -0.01%     
==========================================
  Files         684      684              
  Lines       83629    83629              
==========================================
- Hits        64694    64693       -1     
- Misses      18935    18936       +1     

see 1 file with indirect coverage changes

---- 🚨 Try these New Features:

• Flaky Tests Detection - Detect and resolve failed and flaky tests