chore: fixed some types

[Ananya2001-an]

What kind of change does this PR introduce?

Fixed some types and also refactored the client options test by creating a class to make it more readable.

[codecov]

Codecov Report

Patch coverage: 85.71% and project coverage change: -0.37 ⚠️

Comparison is base (8e341c7) 79.75% compared to head (c0da631) 79.39%.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #471      +/-   ##
===========================================
- Coverage    79.75%   79.39%   -0.37%     
===========================================
  Files            9        9              
  Lines          163      165       +2     
===========================================
+ Hits           130      131       +1     
- Misses          33       34       +1     

Impacted Files	Coverage Δ
supabase/lib/auth_client.py	81.81% <66.66%> (-7.08%)	⬇️
supabase/client.py	93.33% <100.00%> (ø)

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[anand2312]

Thanks for the PR! I like the changes made to the auth_client type hints but I have some questions about the other changes

[J0]

LGTM, thanks for the PR!