fix(python): Reject 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 79.63%. Comparing base (b7c28d8) to head (c7d8574).

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #25612      +/-   ##
==========================================
- Coverage   79.67%   79.63%   -0.05%     
==========================================
  Files        1743     1743              
  Lines      240288   240302      +14     
  Branches     3038     3044       +6     
==========================================
- Hits       191442   191356      -86     
- Misses      48063    48163     +100     
  Partials      783      783              

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[mcrumiller]

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