Fix typing for commonly used callables #387

Job	Run time
Build & verify package	16s
Verify dev env / ubuntu-latest	23s
Python 3.8 / ubuntu-latest	42s
Verify dev env / windows-latest	2m 0s
Python 3.9 / ubuntu-latest	37s
Python 3.10 / ubuntu-latest	38s
Verify dev env / macos-latest	18s
Python 3.11 / ubuntu-latest	40s
Python 3.12 / ubuntu-latest	1m 39s
Python pypy3.9 / ubuntu-latest	1m 4s
Python 3.8 / macos-latest	1m 7s
Python 3.9 / macos-latest	39s
Python 3.10 / macos-latest	31s
Python 3.11 / macos-latest	41s
Python 3.12 / macos-latest	1m 1s
Python pypy3.9 / macos-latest	1m 6s
Python 3.8 / windows-latest	1m 10s
Python 3.9 / windows-latest	1m 22s
Python 3.10 / windows-latest	1m 8s
Python 3.11 / windows-latest	1m 9s
Python 3.12 / windows-latest	2m 49s
Python pypy3.9 / windows-latest	1m 50s
coverage	0s
	22m 50s

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