gh-121163: Add "all" as an valid alias for "always" in warnings.simpl… #4

Job	Run time
Interpreter (Debug)	6m 37s
Free-Threaded (Debug)	10m 8s
i686-pc-windows-msvc/msvc (Debug)	17m 4s
i686-pc-windows-msvc/msvc (Release)	18m 59s
x86_64-pc-windows-msvc/msvc (Debug)	17m 4s
x86_64-pc-windows-msvc/msvc (Release)	20m 56s
aarch64-pc-windows-msvc/msvc (Debug)	4m 30s
aarch64-pc-windows-msvc/msvc (Release)	4m 43s
x86_64-apple-darwin/clang (Debug)	10m 17s
x86_64-apple-darwin/clang (Release)	14m 13s
aarch64-apple-darwin/clang (Debug)	8m 54s
aarch64-apple-darwin/clang (Release)	15m 41s
x86_64-unknown-linux-gnu/gcc (Debug)	7m 39s
x86_64-unknown-linux-gnu/gcc (Release)	18m 2s
x86_64-unknown-linux-gnu/clang (Debug)	7m 33s
x86_64-unknown-linux-gnu/clang (Release)	14m 31s
aarch64-unknown-linux-gnu/gcc (Debug)	1h 13m 13s
aarch64-unknown-linux-gnu/gcc (Release)	51m 35s
aarch64-unknown-linux-gnu/clang (Debug)	1h 5m 7s
aarch64-unknown-linux-gnu/clang (Release)	35m 4s
	7h 1m 50s

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