Log Message:
py-cheroot: updated to 6.5.5

v6.5.5
- :issue:99 via :pr:186': Sockets now collect statistics (bytes
  read and written) on Python 3 same as Python 2.
- :cp-issue:1618 via :pr:180: Ignore OpenSSL's 1.1+ Error 0
  under any Python while wrapping a socket.