unittest.makeSuite is removed in Python3.13

[jelly]

See: cython/cython#5134 and https://docs.python.org/3.13/whatsnew/3.13.html#unittest

[msoos]

Ah great :D What do you think I should substitute it with?

[jelly]

The easiest seems to be https://github.com/stefankoegl/python-json-patch/pull/159/files