Upgrade packages so I can use @const

web-svelte/package.json

@@ -11,16 +11,16 @@
   "devDependencies": {
     "@sveltejs/vite-plugin-svelte": "^1.0.0-next.30",
     "@tsconfig/svelte": "^2.0.1",
-    "svelte": "^3.44.0",
+    "svelte": "^3.49.0",
     "svelte-check": "^2.2.7",
     "svelte-preprocess": "^4.9.8",
     "tslib": "^2.3.1",
     "typescript": "^4.4.4",
-    "vite": "^2.7.2"
+    "vite": "^3.0.2"
   },
   "dependencies": {
     "sass": "^1.45.0",
     "socket.io-client": "^4.4.0",
-    "svelte-particles": "^1.20.5"
+    "svelte-particles": "^2.1.3"
   }
 }