Update the Ballerina.toml and Gradle plugin version

[ThisaruGuruge]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 16.45%. Comparing base (1bab4c8) to head (980f3ff).
Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #15   +/-   ##
=======================================
  Coverage   16.45%   16.45%           
=======================================
  Files           2        2           
  Lines         468      468           
  Branches      163      163           
=======================================
  Hits           77       77           
  Misses        391      391           

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