Update dependency prettier to v3

Generated by renovateBot

Author: renovate[bot]

template-sdk/package.json

@@ -13,7 +13,7 @@
   },
   "devDependencies": {
     "livekit-client": "^2.12.0",
-    "prettier": "^2.8.8",
+    "prettier": "^3.0.0",
     "typescript": "^5.8.3"
   },
   "peerDependencies": {