add missing exception annotations

[asteragos]

This PR adds missing @throws annotations to method doc blocks in the AbstractProvider class, ensuring all thrown exceptions are properly documented.

Related Issue
Fixes Issue #880 by improving PHPDoc accuracy, enhancing developer experience, and supporting static analysis tools.

Changes
Added @throws annotations for all undocumented exceptions in method doc blocks.
Verified annotations match the exceptions thrown.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (2455200) to head (d47f6c6).
Report is 33 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff             @@
##              master     #1050   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
- Complexity       191       193    +2     
===========================================
  Files             20        20           
  Lines            516       521    +5     
===========================================
+ Hits             516       521    +5     

Files with missing lines	Coverage Δ
src/Provider/AbstractProvider.php	100.00% <ø> (ø)

[ramsey]

Thank you for contributing! 🎉