Update pnpm to 10.9.

Author: jyasskin

webserver/package.json

@@ -22,7 +22,7 @@
   "engines": {
     "node": "22"
   },
-  "packageManager": "pnpm@10.4.1+sha256.4b702887986995933d4300836b04d6d02a43bc72b52e4f7e93a4ca608b959197",
+  "packageManager": "pnpm@10.9.0+sha512.0486e394640d3c1fb3c9d43d49cf92879ff74f8516959c235308f5a8f62e2e19528a65cdc2a3058f587cde71eba3d5b56327c8c33a97e4c4051ca48a10ca2d5f",
   "dependencies": {
     "@astrojs/node": "^8.3.3",
     "@astrojs/solid-js": "^4.4.1",