fix(python): Support Expr objects in replace sequence arguments

[wtn]

Fixes #22591.

Series.replace() and Series.replace_strict() panic when old or new is a list containing Expr objects.

Add validation in Expr.replace() and Expr.replace_strict() to raise TypeError for this case.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.10%. Comparing base (5dd9b23) to head (1fc0d25).

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #25612      +/-   ##
==========================================
+ Coverage   78.35%   81.10%   +2.74%     
==========================================
  Files        1777     1777              
  Lines      241720   241757      +37     
  Branches     3085     3095      +10     
==========================================
+ Hits       189406   196072    +6666     
+ Misses      51517    44888    -6629     
  Partials      797      797              

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[mcrumiller]

Could we instead convert a replace into a when/then sequence if we encounter expressions in the replacement?