Add multi-phase support for VZLogger powermeter #647

Job	Run time
lint	17s
validate (3.12)	34s
validate (3.11)	35s
validate (3.10)	42s
validate (3.13)	39s
build (linux/arm/v7, base-linux-arm-v7) / build	56s
build (linux/arm64, base-linux-arm64) / build	53s
build (linux/amd64, base-linux-amd64) / build	33s
build-addon (linux/arm64, addon-linux-arm64) / build	49s
build-addon (linux/amd64, addon-linux-amd64) / build	33s
merge-addon / merge	15s
merge / merge	22s
	7m 8s

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