Update support for pandas 3.0

[oddaspa]

Describe the bug
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To Reproduce
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import pandas as pd
from pyclarify import DataFrame

today = pd.Timestamp.now(tz="Europe/Oslo")

active_gill_score_data = {'A24_active_gill_score': [0.0]}

active_gill_score_df = pd.DataFrame(active_gill_score_data)
active_gill_score_df.index = [today]
clarify_df = DataFrame.from_pandas(active_gill_score_df)
...

Expected behavior
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Screenshots
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** System information (please complete the following information):**
OS: (e.g. Windows 10)
Python Version: (e.g. 3.8)
SDK Version: (e.g. 0.2.2)

Additional context
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