Fix typing for commonly used callables #385

Job	Run time
Build & verify package	19s
Verify dev env / ubuntu-latest	23s
Python 3.8 / ubuntu-latest	41s
Verify dev env / windows-latest	1m 21s
Python 3.9 / ubuntu-latest	39s
Verify dev env / macos-latest	20s
Python 3.10 / ubuntu-latest	35s
Python 3.11 / ubuntu-latest	35s
Python 3.12 / ubuntu-latest	1m 38s
Python pypy3.9 / ubuntu-latest	59s
Python 3.8 / macos-latest	1m 23s
Python 3.9 / macos-latest	32s
Python 3.10 / macos-latest	36s
Python 3.11 / macos-latest	28s
Python 3.12 / macos-latest	59s
Python pypy3.9 / macos-latest	1m 6s
Python 3.8 / windows-latest	1m 9s
Python 3.9 / windows-latest	1m 9s
Python 3.10 / windows-latest	1m 11s
Python 3.11 / windows-latest	1m 11s
Python 3.12 / windows-latest	3m 1s
Python pypy3.9 / windows-latest	2m 20s
coverage	0s
	22m 35s

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