chore(deps): update pnpm to v9.15.9 (#881)

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

Author: renovate[bot]

package.json

@@ -3,7 +3,7 @@
   "version": "1.0.0",
   "main": "index.js",
   "license": "MIT",
-  "packageManager": "pnpm@9.15.2",
+  "packageManager": "pnpm@9.15.9",
   "scripts": {
     "sync:VPFlyout": "cp docs/_components/vitepress/VPFlyout.vue  node_modules/vitepress/dist/client/theme-default/components/VPFlyout.vue",
     "sync:VPNavBarTitle": "cp docs/_components/vitepress/VPNavBarTitle.vue  node_modules/vitepress/dist/client/theme-default/components/VPNavBarTitle.vue",