[3.14] gh-146615: Fix format specifiers in Python/ directory (GH-1466… #2555

Job	Run time
x86_64-unknown-linux-gnu/gcc	9m 18s
x86_64-apple-darwin/clang	13m 56s
x86_64-unknown-linux-gnu/gcc-free-threading	7m 36s
aarch64-apple-darwin/clang	9m 53s
aarch64-unknown-linux-gnu/gcc	6m 50s
x86_64-pc-windows-msvc/msvc	11m 19s
	58m 52s

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