Deprecate a few more extensions APIs #950

Job	Run time
py312-cryptographyMain on ubuntu-rolling	2m 0s
py37	28s
py38	35s
py39	34s
py310	37s
py311	37s
py312	36s
pypy3	33s
pypy3	33s
py311-useWheel on windows-2022	21s
py37-cryptographyMain	34s
py38-cryptographyMain	34s
py39-cryptographyMain	34s
py310-cryptographyMain	23s
py311-cryptographyMain	35s
py312-cryptographyMain	36s
pypy3-cryptographyMain	33s
pypy3-cryptographyMain	26s
py37-cryptographyMinimum	35s
py38-cryptographyMinimum	35s
py39-cryptographyMinimum	34s
py310-cryptographyMinimum	37s
py311-cryptographyMinimum	34s
py312-cryptographyMinimum	37s
pypy3-cryptographyMinimum	33s
py39-cryptographyMinimum-useWheel	25s
py39-useWheel	29s
py39-randomorder	33s
py311-twistedTrunk	35s
check-manifest	17s
lint	28s
py311-mypy	20s
docs	33s
all-green	8s
	19m 2s

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