fix(fulfillment): export schema types (#10700)

Export `ServiceZoneSchema` and `GeoZoneSchema` so that we can infer types correctly in references

.changeset/soft-elephants-attack.md

@@ -0,0 +1,5 @@
+---
+"@medusajs/fulfillment": patch
+---
+
+fix(fulfillment): export schema types

packages/modules/fulfillment/src/models/index.ts

@@ -4,8 +4,8 @@ export { FulfillmentItem } from "./fulfillment-item"
 export { FulfillmentLabel } from "./fulfillment-label"
 export { FulfillmentProvider } from "./fulfillment-provider"
 export { FulfillmentSet } from "./fulfillment-set"
-export { GeoZone } from "./geo-zone"
+export { GeoZone, GeoZoneSchema } from "./geo-zone"
-export { ServiceZone } from "./service-zone"
+export { ServiceZone, ServiceZoneSchema } from "./service-zone"
 export { ShippingOption } from "./shipping-option"
 export { ShippingOptionRule } from "./shipping-option-rule"
 export { ShippingOptionType } from "./shipping-option-type"