feat: Add dynamic literals to ensure schema correctness

[ritchie46]

We should not make any (early) assumptions on values of python integers and floats. So we create dynamically typed variants of them and materialize the concrete types once we determine the schema.

[codecov]

Codecov Report

Attention: Patch coverage is 83.73383% with 88 lines in your changes are missing coverage. Please review.

Project coverage is 74.72%. Comparing base (a078d0c) to head (283fc5e).
Report is 11 commits behind head on main.

Files	Patch %	Lines
...an/src/logical_plan/optimizer/type_coercion/mod.rs	89.41%	20 Missing ⚠️
crates/polars-core/src/datatypes/dtype.rs	36.00%	16 Missing ⚠️
crates/polars-sql/src/sql_expr.rs	25.00%	12 Missing ⚠️
...src/logical_plan/optimizer/type_coercion/binary.rs	75.60%	10 Missing ⚠️
...s-plan/src/logical_plan/optimizer/simplify_expr.rs	30.76%	9 Missing ⚠️
crates/polars-core/src/utils/supertype.rs	92.64%	5 Missing ⚠️
crates/polars-core/src/datatypes/field.rs	50.00%	3 Missing ⚠️
crates/polars-plan/src/logical_plan/format.rs	25.00%	3 Missing ⚠️
crates/polars-plan/src/logical_plan/lit.rs	90.32%	3 Missing ⚠️
crates/polars-core/src/datatypes/_serde.rs	0.00%	2 Missing ⚠️
... and 5 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #15832      +/-   ##
==========================================
- Coverage   80.38%   74.72%   -5.66%     
==========================================
  Files        1263     1358      +95     
  Lines      165351   167766    +2415     
  Branches        0     3032    +3032     
==========================================
- Hits       132910   125358    -7552     
- Misses      32441    41922    +9481     
- Partials        0      486     +486     

Flag	Coverage Δ
python	74.72% <83.73%> (?)
rust	71.69% <83.73%> (?)

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