chore: use 3.4 rc2

Author: yyx990803

package.json

@@ -15,7 +15,7 @@
     "dynamics.js": "^1.1.5",
     "gsap": "^3.9.0",
     "vitepress": "1.0.0-rc.31",
-    "vue": "^3.4.0-beta.4"
+    "vue": "^3.4.0-rc.2"
   },
   "devDependencies": {
     "@types/markdown-it": "^12.2.3",