testing/libctl: rebuild against libguile-3.0.so.1
# apk add libctl
ERROR: unable to select packages:
so:libguile-2.0.so.22 (no such package):
required by: libctl-4.5.0-r0[so:libguile-2.0.so.22]
# apk add libctl
ERROR: unable to select packages:
so:libguile-2.0.so.22 (no such package):
required by: libctl-4.5.0-r0[so:libguile-2.0.so.22]