feat: Add zod middleware (#6961)

yarn.lock

@@ -8577,6 +8577,7 @@ __metadata:
     ulid: ^2.3.0
     uuid: ^9.0.0
     winston: ^3.8.2
+    zod: ^3.22.4
   peerDependencies:
     medusa-interfaces: ^1.3.7
     typeorm: ^0.3.16
@@ -52991,7 +52992,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"zod@npm:3.22.4":
+"zod@npm:3.22.4, zod@npm:^3.22.4":
   version: 3.22.4
   resolution: "zod@npm:3.22.4"
   checksum: 7578ab283dac0eee66a0ad0fc4a7f28c43e6745aadb3a529f59a4b851aa10872b3890398b3160f257f4b6817b4ce643debdda4fb21a2c040adda7862cab0a587