fix(deps): Update vue requirement from ^3.4.15 to ^3.4.21 in /example (#1823)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

example/package.json

@@ -10,7 +10,7 @@
   },
   "dependencies": {
     "v-github-icon": "^3.1.2",
-    "vue": "^3.4.15"
+    "vue": "^3.4.21"
   },
   "devDependencies": {
     "@vitejs/plugin-vue": "^5.0.3",