fix: ➖ remove global dep requirement in start script

Author: Undeadlol1

package.json

@@ -88,7 +88,7 @@
   },
   "scripts": {
     "start:nofirebase": "react-scripts start",
-    "start": "concurrently \"npx cross-env DEBUG_HIDE_DATE=true PORT=3001 react-scripts start\" \"firebase emulators:start --only firestore\"",
+    "start": "concurrently \"npx cross-env DEBUG_HIDE_DATE=true PORT=3001 react-scripts start\" \"npx firebase-tools emulators:start --only firestore\"",
     "db": "firebase emulators:start --only firestore",
     "build": "react-scripts build",
     "test": "react-scripts test --runInBand",
@@ -160,4 +160,4 @@
     "react-app-rewired": "^2.1.8",
     "source-map-explorer": "^2.5.2"
   }
-}
+}