Fix npm run dev permission errors (sanity-io#167)

* Use npx to run npm-run-all for better compatibility

* Use run-p instead of npm-run-all for better compatibility

* Use npx run-p to avoid binary permission issues

Author: kenjonespizza

package.json

@@ -18,7 +18,7 @@
     "frontend"
   ],
   "scripts": {
-    "dev": "npm-run-all --parallel --print-label dev:*",
+    "dev": "npx run-p --print-label dev:*",
     "dev:next": "npm run dev --workspace=frontend",
     "dev:studio": "npm run dev --workspace=studio",
     "format": "prettier --cache --write .",