fix: renumber migrations 0042-0045 after rebase onto main

Main added 0041_app_settings, so branch migrations shift up by one.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

packages/backend/src/db/migrations/0044_repair-pos-consumable.sql

@@ -0,0 +1,5 @@
+-- Add 'consumable' to repair_line_item_type enum
+ALTER TYPE repair_line_item_type ADD VALUE IF NOT EXISTS 'consumable';
+
+-- Add is_consumable flag to product table
+ALTER TABLE product ADD COLUMN IF NOT EXISTS is_consumable boolean NOT NULL DEFAULT false;