01/02: add edge types as a dependency

Author: kettanaito

exercises/01.setup/02.problem.multiple-workspaces/package.json

@@ -5,6 +5,7 @@
     "test": "vitest"
   },
   "devDependencies": {
+    "@edge-runtime/types": "^4.0.0",
     "vitest": "^3.1.1"
   }
 }