Update pzemac.h #18

Job	Run time
Create common environment	11s
Run pytest (3.11, macOS-latest)	37s
Run script/ci-custom	28s
Run pytest (3.11, ubuntu-latest)	33s
Determine which jobs to run	24s
Run pytest (3.11, windows-latest)	25s
Run pytest (3.13, ubuntu-latest)	34s
pre-commit.ci lite	0s
Run C++ unit tests	1s
Check pylint	1s
matrix.name	1s
Build target branch for memory impact	1s
Run script/clang-tidy for ESP32 Arduino	1s
matrix.name	1s
Run integration tests	1s
Build PR branch for memory impact	1s
Split components for intelligent grouping (40 weighted per batch)	1s
Comment memory impact	1s
Test components batch (${{ matrix.components }})	1s
CI Status	2s
	3m 25s

Provide feedback