[MWPW-162258][NALA] Increase GitHub Test Execution Worker Count for Nala to Improve Execution Speed

[skumar09]

• Increase the GitHub worker count to [ 10 ] to support more parallel execution.
• Validate that execution time is significantly reduced from the current 8-minute duration.

Resolves: MWPW-162258

Test URLs:

• Before: https://main--milo--adobecom.hlx.page/?martech=off
• After: https://nala-workers--milo--adobecom.hlx.page/?martech=off

[aem-code-sync]

	Page	Scores	Audits	Google
📱	/?martech=off
🖥️	/?martech=off

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.38%. Comparing base (df454db) to head (83636e1).

Additional details and impacted files

@@           Coverage Diff           @@
##            stage    #3178   +/-   ##
=======================================
  Coverage   96.38%   96.38%           
=======================================
  Files         245      245           
  Lines       56651    56651           
=======================================
  Hits        54601    54601           
  Misses       2050     2050           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[hparra]

moar 🦈