Fixes a stale drone stage state in Drone CI database directly.

fix-stale-drone-stage.sql

-- You can use either 'error', 'failure' or 'success' as a status on each of these.
UPDATE stages SET stage_status = 'success' WHERE stage_id = $stage_id;
UPDATE builds SET build_status = 'success' WHERE build_id = $build_id;
UPDATE steps SET step_status = 'success' WHERE step_id = $step_id;

-- This timestamp must be bigger than the step_started field of the steps table.
UPDATE steps SET step_stopped = 1583330000 WHERE step_id = $step_id;