fix(setup): update chunks in step 11 (#5965)

cmd/setup/11/11_add_column.sql

@@ -0,0 +1,6 @@
+BEGIN;
+-- create table with empty created_at
+ALTER TABLE eventstore.events ADD COLUMN IF NOT EXISTS created_at TIMESTAMPTZ DEFAULT NULL;
+-- set column rules
+ALTER TABLE eventstore.events ALTER COLUMN created_at SET DEFAULT clock_timestamp();
+COMMIT;

cmd/setup/11/11_fetch_events.sql

@@ -0,0 +1 @@
+SELECT id, creation_date FROM eventstore.events WHERE created_at IS NULL ORDER BY event_sequence DESC, instance_id LIMIT 20 FOR UPDATE

cmd/setup/11/11_fill_column.sql

@@ -0,0 +1 @@
+UPDATE eventstore.events SET created_at = $1 WHERE id = $2

cmd/setup/11/11_set_column.sql

@@ -0,0 +1,3 @@
+BEGIN;
+ALTER TABLE eventstore.events ALTER COLUMN created_at SET NOT NULL;
+COMMIT;