Release v12.7.0

Features

• Add methods to get/set max. LR powerlevel, add driver option to automatically configure it (#6824)

Bugfixes

• Fixed a bug causing the device class of a node to be unintentionally be deleted (#6840)
• Forbid associations from and to LR devices, except for the lifeline (#6819)
• Zniffer: convert LR beam TX power to dBm, add documentation for beam frames (#6820)

Config file changes

• Override CC versions for Wayne Dalton WDTC-20 (#6822)

Changes under the hood

• Refactor Zniffer exports, add them to /safe entrypoint (#6830)