CI: DeprecationWarning in `tests/io/json/test_json_table_schema.py` and `tests/io/json/test_pandas.py`
On the NumPy dev build. The following tests:

```bash
FAILED pandas/tests/io/json/test_json_table_schema.py::TestTableOrient::test_to_json
FAILED pandas/tests/io/json/test_json_table_schema.py::TestTableOrient::test_date_format_raises
FAILED pandas/tests/io/json/test_pandas.py::TestPandasContainer::test_datetime_tz
FAILED pandas/tests/io/json/test_pandas.py::TestPandasContainer::test_tz_is_utc[ts0]
FAILED pandas/tests/io/json/test_pandas.py::TestPandasContainer::test_tz_is_utc[ts1]
FAILED pandas/tests/io/json/test_pandas.py::TestPandasContainer::test_tz_is_utc[ts2]
FAILED pandas/tests/io/json/test_pandas.py::TestPandasContainer::test_tz_range_is_utc[tz_range0]
FAILED pandas/tests/io/json/test_pandas.py::TestPandasContainer::test_tz_range_is_utc[tz_range1]
FAILED pandas/tests/io/json/test_pandas.py::TestPandasContainer::test_tz_range_is_utc[tz_range2]
```
raise `DeprecationWarning: an integer is required (got type float). Implicit conversion to integers using __int__ is deprecated, and may be removed in a future version of Python.`
I filtered this warning for now.