perf(python): Construct Series for bytes/binary data 10x faster whe…

…n dtype not explicitly set (#20157)

py-polars/polars/datatypes/constructor.py

@@ -155,6 +155,7 @@ def numpy_type_to_constructor(
         int: PySeries.new_opt_i64,
         str: PySeries.new_str,
         bool: PySeries.new_opt_bool,
+        bytes: PySeries.new_binary,
         PyDecimal: PySeries.new_decimal,
     }