Deprecation warning: telnetlib

[bewing]

napalm/ios/ios.py:22
  /home/bewing/Projects/napalm/napalm/ios/ios.py:22: DeprecationWarning: 'telnetlib' is deprecated and slated for removal in Python 3.13
    import telnetlib

ktbyers/netmiko#3177

Will need to update code once @ktbyers refactors/vendors telnetlib

[ktbyers]

See:

#2137