chore(deps): update dependency vitepress to v1.6.3 (#2605)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -56,7 +56,7 @@
     "typescript-eslint": "8.21.0",
     "unplugin-vue-components": "28.0.0",
     "vite": "6.0.11",
-    "vitepress": "1.6.2",
+    "vitepress": "1.6.3",
     "vitepress-translation-helper": "0.2.2",
     "vitest": "3.0.3",
     "vue": "3.5.13",