chore(deps): update pnpm to >=9.15.9

Author: renovate[bot]

package.json

@@ -6,7 +6,7 @@
   "license": "MIT",
   "engines": {
     "node": ">=22.20.0",
-    "pnpm": ">=9.6.0"
+    "pnpm": ">=9.15.9"
   },
   "packageManager": "[email protected]",
   "scripts": {