Adds new integration [lnagel/hass-eaton-ups-mqtt] (#3194)

* Add lnagel/hass-eaton-ups

# Eaton UPS Integration for Home Assistant

A Home Assistant integration that connects to Eaton UPS devices through their Network-M2/M3 management card via MQTT to monitor power status and battery levels. This integration provides:

- Device Information
  - Model, serial number, firmware details
  - UPS operating mode and health status
  - System alarms and fault conditions

- Power Metrics
  - Input/Output voltage, current, and frequency
  - Active and apparent power measurements
  - Power factor and load percentage
  - Energy consumption statistics

- Battery Information
  - Charge level and remaining runtime
  - Charging status and mode (e.g., ABM)
  - Battery test results and health
  - Installation and replacement dates

- Environmental Monitoring
  - Temperature status
  - Fan and system alerts

* Update repo name to hass-eaton-ups-mqtt

---------

Co-authored-by: Joakim Sørensen <joasoe@proton.me>

integration

@@ -786,6 +786,7 @@
   "lizardsystems/hass-tnse",
   "ljmerza/ha-email-sensor",
   "lloydw/hass-spanet",
+  "lnagel/hass-eaton-ups-mqtt",
   "lociii/homeassistant-csgo",
   "lociii/homeassistant-overwolf-status",
   "lolouk44/CurrentCost_HA_CC",