Comment in trs.py is incorrect

[dsimonovic]

Following comment does not reflect reality:

    +--------------+-----------------------------------------------------------+
    | padding_mode | Padding mode to use. The supported values are:            |
    |              | :py:attr:`trsfile.common.TracePadding.NONE` (default)     |
    |              | :py:attr:`trsfile.common.TracePadding.AUTO`               |
    +--------------+-----------------------------------------------------------+

https://github.dev/Riscure/python-trsfile/blob/4f6fa8dc843f596b656eb46ad1ede58a24fd5cd2/trsfile/engine/trs.py#L34-L38

1. Default padding option is AUTO
2. There are more padding options