Fix token not being refreshed after expiry

[niveathika]

Purpose

Part of ballerina-platform/ballerina-library#6047

Examples

Checklist

• Linked to an issue
• Updated the specification
• Updated the changelog
• Added tests
• Checked native-image compatibility

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 56.69%. Comparing base (308a524) to head (3beccc2).
Report is 2 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main       #3      +/-   ##
============================================
+ Coverage     54.01%   56.69%   +2.67%     
  Complexity       11       11              
============================================
  Files             6        6              
  Lines           224      224              
  Branches         67       67              
============================================
+ Hits            121      127       +6     
+ Misses          100       94       -6     
  Partials          3        3              

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

[RDPerera]

LGTM