chore(deps): update pnpm to v10.16.1 (#3505)

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

Author: renovate[bot]

package.json

@@ -45,7 +45,7 @@
     "starlight-sidebar-topics": "^0.6.0",
     "starlight-links-validator": "^0.17.0"
   },
-  "packageManager": "pnpm@10.15.1",
+  "packageManager": "pnpm@10.16.1",
   "engines": {
     "pnpm": "^10.0.0"
   }

packages/fetch-sponsors/package.json

@@ -11,7 +11,7 @@
   },
   "keywords": [],
   "author": "",
-  "packageManager": "pnpm@10.15.1",
+  "packageManager": "pnpm@10.16.1",
   "dependencies": {
     "@octokit/core": "^7.0.3",
     "@octokit/plugin-paginate-graphql": "^6.0.0",