_add_timedelta broken

[jacobg]

https://github.com/sdispater/pendulum/blob/f1df7dc3f838bd4ab1075ba25c8b6ce5d8141995/pendulum/datetime.py#L656

The pull request #482 breaks the following:

>>> dt = pendulum.DateTime(2022, 6, 8, 13, 21, 12, 239829, tzinfo=pendulum._Timezone('America/New_York'))
>>> dt._add_timedelta(datetime.timedelta(seconds=3600))
DateTime(2022, 6, 8, 14, 21, 12, 239829, tzinfo=Timezone('America/New_York'))

The _add_timedelta call is a no-op.

[jacobg]

@sdispater

[jacobg]

The problem is it's calling pendulum.Date.add_timedelta instead of pendulum.DateTime.add_timedelta, even though it's a DateTime object.

[jacobg]

Oh just realized, the methods were renamed. See here:
https://github.com/sdispater/pendulum/blob/7e3880abbc51387f75644754f6f437dc515ed7e3/pendulum/datetime.py#L636-L639