Update pnpm to v9.1.1

Author: renovate[bot]

package.json

@@ -15,7 +15,7 @@
     "docs:build": "vitepress build docs",
     "docs:preview": "vitepress preview docs"
   },
-  "packageManager": "pnpm@9.0.6",
+  "packageManager": "pnpm@9.1.1",
   "devDependencies": {
     "@changesets/changelog-github": "^0.5.0",
     "@changesets/cli": "^2.27.1",