Fix failing size CI action.

Author: molefrog

package.json

@@ -8,6 +8,7 @@
     "packages/wouter-preact"
   ],
   "scripts": {
+    "build": "echo 'No build needed'",
     "fix:p": "prettier --write \"./**/*.(js|ts){x,}\"",
     "test": "bun test",
     "test-types": "tsc --noEmit",