Add news item. #13

Job	Run time
x86_64-apple-darwin/clang	26m 54s
x86_64-unknown-linux-gnu/gcc-free-threading	8m 6s
aarch64-apple-darwin/clang	9m 54s
aarch64-unknown-linux-gnu/gcc	7m 18s
x86_64-unknown-linux-gnu/gcc	9m 26s
	1h 1m 38s

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