Add support for latest claude models

[MohamedSabthar]

Purpose

Fixes: wso2/product-ballerina-integrator#2235

Examples

Checklist

• Linked to an issue
• Updated the changelog
• tested
• Updated the spec
• Checked native-image compatibility

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 53.70%. Comparing base (6430948) to head (4fb741c).
⚠️ Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #28   +/-   ##
=======================================
  Coverage   53.70%   53.70%           
=======================================
  Files           3        3           
  Lines         391      391           
  Branches      109      109           
=======================================
  Hits          210      210           
  Misses        181      181           

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