Maintenance/bugfix release for some pending issues

features

• initial (experimental) implementation of 'OverTemp' feature for newer smart switches
• improving timezone/daylight saving time configuration for locally mqtt paired devices (Thus trying to fix #300)
• recognize RollerShutter fw ver 6.6.6 as providing a valid native position (#319)

fixes

• error on malformed RGB parameter when using adaptive_lighting integration (#309)
• missing obfuscation of some message payloads
• incorrect state refresh of GarageDoor (when configured with a Meross Cloud profile - #272)