Add Wei Zhao to contributors for databases/postgresql-cstore_fdw
He is also maintainer of:
archivers/dpkg archivers/lzma databases/ora2pg databases/pgFormatter databases/pg_repack databases/plpgsql_check databases/postgresql-mysql_fdw devel/ace devel/ace+tao-doc devel/ffcall devel/google-styleguide devel/opengrok devel/py-backports.weakref dns/dnsforwarder finance/electrum java/netty math/fxt net/ntop net/radcli net-mgmt/ipaudit science/liblinear science/libsvm science/libsvm-python science/mbdyn security/hardening-check sysutils/byobu sysutils/docker-freebsd
PR: 220922