JIT

Use sentence case for headers in 'What's new in 3.14' #94

Job	Run time
Interpreter (Debug)	7m 48s
Free-Threaded (Debug)	12m 7s
i686-pc-windows-msvc/msvc (Debug)	18m 1s
i686-pc-windows-msvc/msvc (Release)	21m 49s
x86_64-pc-windows-msvc/msvc (Debug)	16m 51s
x86_64-pc-windows-msvc/msvc (Release)	16m 1s
aarch64-pc-windows-msvc/msvc (Debug)	4m 45s
aarch64-pc-windows-msvc/msvc (Release)	5m 54s
x86_64-apple-darwin/clang (Debug)	11m 21s
x86_64-apple-darwin/clang (Release)	20m 20s
aarch64-apple-darwin/clang (Debug)	9m 53s
aarch64-apple-darwin/clang (Release)	14m 58s
x86_64-unknown-linux-gnu/gcc (Debug)	8m 45s
x86_64-unknown-linux-gnu/gcc (Release)	20m 18s
x86_64-unknown-linux-gnu/clang (Debug)	1h 18m 32s
x86_64-unknown-linux-gnu/clang (Release)	14m 5s
aarch64-unknown-linux-gnu/gcc (Debug)	1h 30m 15s
aarch64-unknown-linux-gnu/gcc (Release)	1h 10m 30s
aarch64-unknown-linux-gnu/clang (Debug)	1h 30m 13s
aarch64-unknown-linux-gnu/clang (Release)	1h 11m 8s
	10h 3m 34s

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