[packaging] bump rql dependency to 0.29 (closes #2410042) Needed for add_eid_restriction with 4 args, usage of which was introduced in changeset aed065b97f12 (refactor entity fetch_rql method to use a RQL syntax tree instead of RQL strings)

sql('DROP FUNCTION IF EXISTS _fsopen(bytea)')
sql('DROP FUNCTION IF EXISTS fspath(bigint, text, text)')