Update pnpm to v10.8.1

Author: renovate[bot]

package.json

@@ -16,7 +16,7 @@
   ],
   "author": "rspack-contrib",
   "license": "MIT",
-  "packageManager": "pnpm@10.5.1",
+  "packageManager": "pnpm@10.8.1",
   "scripts": {
     "fix": "yarn lint:fix && yarn style:fix",
     "lint": "echo 'pass'",