libwebkit2gtk41: update to 2.50.4 #65940

Job	Run time
Lint templates	59s
Build packages (i686, i686, glibc, linux/386, 1)	4m 42s
Build packages (x86_64, x86_64, glibc, linux/amd64, 1)	4m 20s
Build packages (x86_64-musl, x86_64-musl, musl, linux/amd64, 1)	5m 28s
Build packages (aarch64, x86_64, glibc, linux/amd64, 0)	6m 54s
Build packages (aarch64-musl, x86_64-musl, musl, linux/amd64, 0)	6m 12s
Build packages (armv6l-musl, x86_64-musl, musl, linux/amd64, 0)	6m 24s
Build packages (armv7l, x86_64, glibc, linux/amd64, 0)	5m 59s
	40m 58s

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