chore(deps): update pnpm to v11

Author: renovate[bot]

package.json

@@ -2,7 +2,7 @@
   "name": "@goy/vuepress-plugin-svg-icons",
   "type": "module",
   "version": "5.6.2",
-  "packageManager": "pnpm@10.34.1",
+  "packageManager": "pnpm@11.5.2",
   "description": "SVG sprite icon plugin for VuePress",
   "keywords": [
     "icon",