fix: update 'uz-UZ' mobile phone regex to include newer carrier prefixes

[harsh-pandhe]

Closes #2683

This PR updates the isMobilePhone regex for the uz-UZ locale to include newer, active carrier prefixes (33, 50, 55, 77, 88) alongside the existing ones, as requested in the issue.

Verification Source: This updated prefix list aligns with the International Telecommunication Union (ITU) National Numbering Plan for Uzbekistan.

Checklist

• PR contains only changes related; no stray files, etc.
• README updated (where applicable)
• Tests written (where applicable)
• References provided in PR (where applicable)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (7fdc788) to head (e94b9d1).

Additional details and impacted files

@@            Coverage Diff            @@
##            master     #2713   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          114       114           
  Lines         2587      2587           
  Branches       656       656           
=========================================
  Hits          2587      2587           

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