fix: move auto top-up amounts to org route from db schema

Author: brandonkachen

common/src/db/migrations/0018_stale_human_robot.sql

@@ -0,0 +1,4 @@
+ALTER TABLE "org" ALTER COLUMN "auto_topup_threshold" DROP DEFAULT;--> statement-breakpoint
+ALTER TABLE "org" ALTER COLUMN "auto_topup_threshold" SET NOT NULL;--> statement-breakpoint
+ALTER TABLE "org" ALTER COLUMN "auto_topup_amount" DROP DEFAULT;--> statement-breakpoint
+ALTER TABLE "org" ALTER COLUMN "auto_topup_amount" SET NOT NULL;