cjxl: set extra channel names #10941

Job	Run time
Release linux x86_64 static	7m 22s
.deb packages / ubuntu:20.04	13m 41s
.deb packages / ubuntu:22.04	22m 58s
.deb packages / ubuntu:24.04	24m 5s
.deb packages / debian:bookworm	13m 4s
.deb packages / debian:bullseye	12m 34s
Windows Build (vcpkg / x86-windows-static)	8m 3s
Windows Build (vcpkg / x64-windows)	6m 33s
Windows Build (vcpkg / x64-windows-static)	14m 55s
Windows Build (vcpkg / x86-windows)	5m 19s
Publish release assets	0s
	2h 8m 34s

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