refactor notification protocols #7612

Job	Run time
${{ matrix.options.name }}	0s
Linux: clang-tidy	1h 19m 28s
Self-hosted docker: Build Debug	6m 25s
Self-hosted: Linux: gcc-13 coverage/sonar	0s
Self-hosted docker: Build Release	5m 56s
Self-hosted: Linux: gcc-13 ASAN	11m 25s
Self-hosted docker: Build RelWithDebInfo	5m 41s
MacOS: Build Debug	14m 31s
Self-hosted: Linux: clang-16 TSAN WAVM	28m 12s
MacOS: Build Release	20m 41s
Self-hosted: Linux: clang-16 UBSAN	23m 13s
Zombie-Tests	0s
	3h 15m 32s

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