Log Message:
py-serial: updated to 3.5

Version 3.5

Bugfixes:
- spy: ensure bytes in write()

Bugfixes (posix):
- serialposix: Fix inconsistent state after exception in open()

Bugfixes (win32):
- win32: Fix exception for composite serial number search on Windows

Bugfixes (MacOS):
- list_ports_osx: kIOMasterPortDefault no longer exported on Big Sur
- list_ports_osx: getting USB info on BigSur/AppleSilicon