refactor notification protocols #7616

Job	Run time
Self-hosted: Linux: gcc-13 coverage/sonar	0s
${{ matrix.options.name }}	0s
Self-hosted docker: Build Debug	15m 15s
Linux: clang-tidy	1h 17m 58s
Self-hosted docker: Build Release	13m 28s
Self-hosted docker: Build RelWithDebInfo	13m 59s
Self-hosted: Linux: gcc-13 ASAN	27m 9s
MacOS: Build Debug	12m 55s
Self-hosted: Linux: clang-16 TSAN WAVM	27m 50s
MacOS: Build Release	18m 49s
Self-hosted: Linux: clang-16 UBSAN	23m 52s
Zombie-Tests	0s
	3h 51m 15s

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