feat: Add cat.contains and cat.contains_any

[mcrumiller]

Followup to #20257. Again, expression input patterns not allowed in cat.contains, only string inputs. For contains_any, expression inputs are allowed, because these are interpreted as a list of possible patterns.

[codecov]

Codecov Report

Attention: Patch coverage is 97.18310% with 2 lines in your changes missing coverage. Please review.

Project coverage is 78.98%. Comparing base (f104170) to head (7744eed).

Files with missing lines	Patch %	Lines
crates/polars-plan/src/dsl/function_expr/cat.rs	94.28%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #20582      +/-   ##
==========================================
- Coverage   78.98%   78.98%   -0.01%     
==========================================
  Files        1564     1564              
  Lines      220765   220836      +71     
  Branches     2504     2504              
==========================================
+ Hits       174368   174422      +54     
- Misses      45823    45840      +17     
  Partials      574      574              

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