PSA: MQTT Name changes in 2023.8

Configuration
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If you’d like to hide the warnings in your logs, add the following to configuration.yaml. (remove just this warning)

logger:
  default: info
  filters:
    homeassistant.components.mqtt.mixins:
    - "MQTT entity name starts with the device name in your config"

or (remove all warnings and info)

logger:
  default: info
  logs:
    homeassistant.components.mqtt.mixins: error