fix: Change num_code column from int to varchar (#7463)

packages/modules/region/src/migrations/.snapshot-medusa-region.json

@@ -131,12 +131,12 @@
         },
         "num_code": {
           "name": "num_code",
-          "type": "int",
+          "type": "text",
           "unsigned": false,
           "autoincrement": false,
           "primary": false,
           "nullable": false,
-          "mappedType": "integer"
+          "mappedType": "text"
         },
         "name": {
           "name": "name",

packages/modules/region/src/migrations/RegionModuleSetup20240205173216.ts

@@ -29,7 +29,7 @@ CREATE INDEX IF NOT EXISTS "IDX_region_deleted_at" ON "region" ("deleted_at") WH
 CREATE TABLE IF NOT EXISTS "region_country" (
   "iso_2" text NOT NULL,
   "iso_3" text NOT NULL,
-  "num_code" int NOT NULL,
+  "num_code" text NOT NULL,
   "name" text NOT NULL,
   "display_name" text NOT NULL,
   "region_id" text NULL,

packages/modules/region/src/models/country.ts

@@ -22,8 +22,8 @@ export default class Country {
   @Property({ columnType: "text" })
   iso_3: string
 
-  @Property({ columnType: "int" })
-  num_code: number
+  @Property({ columnType: "text" })
+  num_code: string
 
   @Property({ columnType: "text" })
   name: string