Update YJIT comment URLs

Author: tianon

versions.sh

@@ -98,8 +98,8 @@ for version in "${versions[@]}"; do
 	# YJIT
 	doc="$(jq <<<"$doc" -sc '
 		.[1][].arches? |= if . then with_entries(select(.key | IN(
-			# https://github.com/ruby/ruby/blob/v3_2_0/doc/yjit/yjit.md ("currently supported for macOS and Linux on x86-64 and arm64/aarch64 CPUs")
-			# https://github.com/ruby/ruby/blob/v3_2_0/configure.ac#L3757-L3761
+			# https://github.com/ruby/ruby/blob/ruby_4_0/doc/jit/yjit.md ("currently only supports ... x86-64 and arm64/aarch64 CPUs")
+			# https://github.com/ruby/ruby/blob/ruby_4_0/configure.ac#L3903-L3906
 			"amd64",
 			"arm64v8",
 			empty # trailing comma