Exclude the same special attributes from Protocol as CPython #10221

Job	Run time
Test suite with Python nightly	16m 34s
Test mypyc suite with 32-bit Python	12m 24s
Test suite with py37-windows-64	41m 38s
Test suite with py38-ubuntu	23m 51s
Test suite with py39-ubuntu	21m 41s
Test suite with py37-ubuntu, mypyc-compiled	24m 13s
Test suite with py310-ubuntu, mypyc-compiled	20m 37s
Test suite with py310-ubuntu	21m 26s
Test suite with py311-ubuntu, mypyc-compiled	18m 18s
mypyc runtime tests with py37-macos	9m 3s
mypyc runtime tests with py37-debug-build-ubuntu	8m 48s
Type check our own code (py37-ubuntu)	2m 4s
Type check our own code (py37-windows-64)	3m 9s
Formatting with Black + isort and code style with ruff	1m 23s
	3h 45m 9s

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