Move to 3.14. Add a What's New entry. #139

Job	Run time
Interpreter (Debug)	6m 44s
Free-Threaded (Debug)	2m 11s
i686-pc-windows-msvc/msvc (Debug)	18m 8s
i686-pc-windows-msvc/msvc (Release)	24m 32s
x86_64-pc-windows-msvc/msvc (Debug)	17m 35s
x86_64-pc-windows-msvc/msvc (Release)	21m 47s
aarch64-pc-windows-msvc/msvc (Debug)	5m 28s
aarch64-pc-windows-msvc/msvc (Release)	6m 2s
x86_64-apple-darwin/clang (Debug)	10m 21s
x86_64-apple-darwin/clang (Release)	16m 8s
aarch64-apple-darwin/clang (Debug)	9m 46s
aarch64-apple-darwin/clang (Release)	14m 13s
x86_64-unknown-linux-gnu/gcc (Debug)	2m 9s
x86_64-unknown-linux-gnu/gcc (Release)	2m 27s
x86_64-unknown-linux-gnu/clang (Debug)	2m 42s
x86_64-unknown-linux-gnu/clang (Release)	38s
aarch64-unknown-linux-gnu/gcc (Debug)	4m 14s
aarch64-unknown-linux-gnu/gcc (Release)	4m 54s
aarch64-unknown-linux-gnu/clang (Debug)	4m 41s
aarch64-unknown-linux-gnu/clang (Release)	2m 40s
	2h 57m 20s

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