Add support for async Authorizers (part 2) #2535

Job	Run time
Test Docs	1m 13s
build (ubuntu-latest, 3.8)	5m 22s
build (ubuntu-latest, 3.11)	5m 57s
Test Examples	51s
build (windows-latest, 3.8)	9m 19s
Test Lint	49s
Test Minimum Versions	5m 51s
build (windows-latest, 3.11)	11m 35s
Check Links	4m 14s
build (macos-latest, 3.8)	7m 23s
check_release	2m 32s
build (macos-latest, 3.11)	6m 13s
integration_check_pypy	1m 28s
build (windows-latest, 3.9)	13m 37s
Make SDist	25s
integration_check (ubuntu-latest, 3.8)	2m 12s
build (ubuntu-latest, pypy-3.8)	8m 49s
build (macos-latest, 3.10)	6m 30s
build (ubuntu-latest, 3.12)	6m 27s
integration_check (ubuntu-latest, 3.9)	2m 33s
Test Prereleases	3m 58s
integration_check (ubuntu-latest, 3.10)	2m 24s
integration_check (ubuntu-latest, 3.11)	2m 13s
Install from SDist and Test	4m 10s
coverage	17s
tests_check	2s
	1h 56m 24s

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