build(deps): bump actions/setup-python from 4 to 5 #14

Job	Run time
Check for source changes	4s
Check if generated files are up to date	4m 55s
Address sanitizer	7m 16s
Ubuntu SSL tests with OpenSSL (1.1.1w)	2m 6s
Ubuntu SSL tests with OpenSSL (3.0.11)	2m 12s
CIFuzz (address)	19m 19s
Ubuntu SSL tests with OpenSSL (3.1.3)	2m 15s
Hypothesis tests on Ubuntu	5m 10s
CIFuzz (undefined)	20m 20s
CIFuzz (memory)	21m 54s
macOS / build and test	16m 28s
macOS (free-threaded) / build and test	15m 7s
Ubuntu / build and test	7m 18s
Ubuntu (free-threaded) / build and test	7m 19s
Windows / build and test (x64)	12m 29s
Windows / build (arm64)	3m 1s
Windows (free-threaded) / build and test (x64)	14m 38s
Windows / build and test (x86)	12m 43s
Windows (free-threaded) / build (arm64)	3m 33s
Windows (free-threaded) / build and test (x86)	16m 7s
Docs / Docs (Oldest Sphinx)	1m 33s
Docs / Docs	2m 21s
Docs / Doctest	7m 24s
All required checks pass	2s
	3h 25m 34s

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