Fix: Fixed annotated types with provider

[SatwikcoolAgrawal]

Why

This change fixes an issue where annotated return types were not properly handled by the provider.

This is a split PR for given ref PR:
#285

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.84%. Comparing base (5a30e9a) to head (c26456c).
⚠️ Report is 57 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #286   +/-   ##
=======================================
  Coverage   95.84%   95.84%           
=======================================
  Files           1        1           
  Lines         602      602           
  Branches      103      103           
=======================================
  Hits          577      577           
  Misses         19       19           
  Partials        6        6           

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[davidparsson]

Thanks!

[davidparsson]

This is now released in 0.23.0. Thank you!