Changed Collection inner class to Settings

[vittoriozamboni]

Renaming the inner class Collection to Settings as updated in beanie 1.11.

[vittoriozamboni]

Closes #2

[codecov]

Codecov Report

Merging #3 (078c561) into main (9ca6d87) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main       #3   +/-   ##
=======================================
  Coverage   64.35%   64.35%           
=======================================
  Files           2        2           
  Lines         101      101           
=======================================
  Hits           65       65           
  Misses         36       36           

Impacted Files	Coverage Δ
fastapi_users_db_beanie/__init__.py	64.28% <100.00%> (ø)

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[frankie567]

Hi @vittoriozamboni! Thank you for catching this, much appreciated 🙏