add verify-sig
mv tllist and wayland-protocols from bdep to depend
since 1.11.0, cairo is automagic, but it's no longer used for rounded
corner (see README) and not required w/ nanosvg. So it's disabled.
Note that upstream prefer resvg.
Closes: https://bugs.gentoo.org/945219
Signed-off-by: Nicolas PARLANT <nicolas.parlant@parhuet.fr>