Test

wuffs: update, add jpeg decoding, add simple tests #9253

Job	Run time
test	2m 38s
prettier	33s
alejandra	31s
typos	32s
build-linux-libghostty	1m 1s
build-nix (namespace-profile-ghostty-md)	2m 18s
build-nix (namespace-profile-ghostty-md-arm64)	5m 10s
build-bench	54s
build-macos	4m 54s
build-macos-matrix	11m 19s
build (namespace-profile-ghostty-md, aarch64-linux)	49s
build-windows	7m 37s
build (namespace-profile-ghostty-md, x86_64-linux)	52s
GTK adwaita=true x11=true	1m 1s
test-macos	3m 32s
build (namespace-profile-ghostty-md, x86-windows-gnu)	56s
GTK adwaita=true x11=false	55s
build (namespace-profile-ghostty-md, x86_64-windows-gnu)	51s
Run pkg/wuffs tests on Linux	36s
GTK adwaita=false x11=true	1m 3s
Run pkg/wuffs tests on macOS	2m 10s
GTK adwaita=false x11=false	54s
	51m 6s

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