v2.4.0

Features

• Add PytmcSignal
• Add PPM, XPIM, XOffsetMirror, and Kmono classes
• Update IPM and PIM modules to better match physical devices
• Add various helper classes for TwinCAT devices
• Stubs created for attenuators, RTD, and PowerSlit
• Make cmd_err_reset in BeckhoffAxisPLC accessible in Typhos

API Changes

• Changed set_point_relay to pump_on_status, at_vac_sp to
  at_vac_setpoint and added pump_state to PIPPLC

• Changed at_vac_sp to at_vac_setpoint, at_vac_hysterisis
  to setpoint_hysterisis, and added mps_state to VGC

Bugfixes

• Make protection_setpoint writeable in GCCPLC
• Make state writeable in VCN

Misc

• Allow build docs failure to speed up overall CI
• Specify old working conda version as temporary solution for
  build failures