chore: update deps

Author: henryhale

package.json

@@ -13,7 +13,7 @@
   },
   "license": "MIT",
   "devDependencies": {
-    "vitepress": "^1.3.4"
+    "vitepress": "^1.6.4"
   },
   "dependencies": {
     "mathflow": "^0.3.0"