updated readme for almalinux

[alex501212]

Summary

Updating readme to include almalinux under supported operating systems

Additional Context

Add any additional context about the problem here.

• Root cause and the steps to reproduce. (If applicable)
• Thought process behind the implementation.

Related Issues (if any)

Mention any related issues or pull requests.

Checklist

• 🟢 Spec tests.
• 🟢 Acceptance tests.
• Manually verified.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.08%. Comparing base (a08de93) to head (b3ff5f6).
Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #341   +/-   ##
=======================================
  Coverage   92.08%   92.08%           
=======================================
  Files           6        6           
  Lines         720      720           
=======================================
  Hits          663      663           
  Misses         57       57           

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