fix: Enum serialization assert

[coastalwhite]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 81.43%. Comparing base (77df94d) to head (2d30e67).
Report is 14 commits behind head on main.

Files with missing lines	Patch %	Lines
crates/polars-core/src/scalar/new.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #23574      +/-   ##
==========================================
- Coverage   81.46%   81.43%   -0.04%     
==========================================
  Files        1640     1641       +1     
  Lines      222210   222327     +117     
  Branches     2835     2835              
==========================================
+ Hits       181019   181043      +24     
- Misses      40492    40585      +93     
  Partials      699      699              

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