Update package.json

Author: bryanjonker-illinois

package.json

@@ -21,7 +21,7 @@
         "dev": "vite",
         "build": "vite build --config vite.build.config.js --emptyOutDir",
         "preview": "vite preview",
-        "prepack": "npm run build
+        "prepack": "npm run build"
     },
     "dependencies": {
         "lit": "3.1.3"