chore: add type-hints to gitlab/v4/objects/snippets.py

[JohnVillalovos]

No description provided.

[codecov-commenter]

Codecov Report

Merging #1691 (f256d4f) into main (a544cd5) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #1691      +/-   ##
==========================================
+ Coverage   91.87%   91.88%   +0.01%     
==========================================
  Files          75       75              
  Lines        4429     4435       +6     
==========================================
+ Hits         4069     4075       +6     
  Misses        360      360              

Flag	Coverage Δ
cli_func_v4	81.64% <80.00%> (-0.03%)	⬇️
py_func_v4	81.19% <100.00%> (+0.02%)	⬆️
unit	83.60% <90.00%> (-0.01%)	⬇️

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Impacted Files	Coverage Δ
gitlab/v4/objects/snippets.py	97.95% <100.00%> (+0.28%)	⬆️