Fix the doctest in pyspark.pandas.series.Series.to_dict (Python 3.12)

File "/__w/spark/spark/python/pyspark/pandas/series.py", line 1633, in pyspark.pandas.series.Series.to_dict
Failed example:
    s.to_dict(OrderedDict)
Expected:
    OrderedDict([(0, 1), (1, 2), (2, 3), (3, 4)])
Got:
    OrderedDict({0: 1, 1: 2, 2: 3, 3: 4})