net/syncthing: update to 0.9.18


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@369432 35697150-7ecd-e111-bb59-0022644237b5
devel/rubygem-capybara: update to 2.4.3


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@369433 35697150-7ecd-e111-bb59-0022644237b5