switch to pnpm

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docs/package.json

@@ -1,5 +1,6 @@
 {
     "name": "@civmc/civ-dev-docs",
+    "private": true,
     "version": "1.0.0",
     "license": "MIT",
     "scripts": {
@@ -11,8 +12,8 @@
         "@types/node": "^20.2.5",
         "eslint": "^8.41.0",
         "eslint-plugin-vue": "^9.14.1",
-        "vite": "^4.3.9",
-        "vitepress": "1.5.0"
+        "vite": "6.0.11",
+        "vitepress": "1.6.3"
     },
     "dependencies": {
         "vue": "^3.3.4"