fix: use workspace sdks versions (#453)

Author: field123

examples/simple/package.json

@@ -15,8 +15,8 @@
     "test:watch": "vitest"
   },
   "dependencies": {
-    "@epcc-sdk/sdks-nextjs": "0.0.10",
-    "@epcc-sdk/sdks-shopper": "0.0.39",
+    "@epcc-sdk/sdks-nextjs": "workspace:*",
+    "@epcc-sdk/sdks-shopper": "workspace:*",
     "@headlessui/react": "^2.2.0",
     "@heroicons/react": "^2.2.0",
     "@hookform/resolvers": "^4.1.3",