Update pnpm to v9

Author: renovate[bot]

package.json

@@ -19,7 +19,7 @@
   "prisma": {
     "schema": "./packages/database/schema.prisma"
   },
-  "packageManager": "pnpm@8.15.8",
+  "packageManager": "pnpm@9.8.0",
   "engines": {
     "node": ">=18",
     "pnpm": ">=8"