Upgrade to version 4.12.


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@372061 35697150-7ecd-e111-bb59-0022644237b5
devel/p5-CBOR-XS: 1.25 -> 1.26

- update the t/57_incr.t subtest that would rely on 64 bit ints
- disable t/50_rfc.t test that fails because of broken data::dumper


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@372062 35697150-7ecd-e111-bb59-0022644237b5