radicale: update to 3.6.1. #67198

Job	Run time
Lint templates	46s
Build packages (aarch64, x86_64, glibc, linux/amd64, 0)	2m 36s
Build packages (armv6l-musl, x86_64-musl, musl, linux/amd64, 0)	2m 21s
Build packages (x86_64, x86_64, glibc, linux/amd64, 1)	3m 6s
Build packages (i686, i686, glibc, linux/386, 1)	2m 45s
Build packages (armv7l, x86_64, glibc, linux/amd64, 0)	2m 4s
Build packages (x86_64-musl, x86_64-musl, musl, linux/amd64, 1)	2m 51s
Build packages (aarch64-musl, x86_64-musl, musl, linux/amd64, 0)	2m 11s
	18m 40s

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