This is a catch all ticket for all ts_xml 9.1 work.
Camera MThexapod inPosition event not generated
Add IndexEnumeration to Master CSC table in ts-xml.lsst.io
Make sure that the HVAC device mask is a long long
Minor error in ackcmd documentation
Add update command to M1M3 TS CSC
add voltage and current of hexapod legs to hexapod telemetry
Thermal CSC heartbeats, commands
Fix some units in ATMonochromator and ATWhiteLight XML
Correct MTDome azimuth drives telemetry and command set
Add/update Doxygen for schema
Add job id event to OCPS
Create pre-commit configuration for xmllint
Remove perc from all HVAC telemetry and command items
Support multiple sensors in ESS CSC and SocketServer
All work completed and merged.