Stanza v1.4.2: Minor version bump to improve (python) dependencies

• Pipeline cache in Multilingual is a single OrderedDict
  #1115 (comment)
  ba3f64d

• Don't require pytest for all installations unless needed for testing
  #1120
  8c1d9d8

• hide SiLU and Minh imports if the version of torch installed doesn't have those nonlinearities
  #1120
  6a90ad4

• Reorder & normalize installations in setup.py
  #1124