Update pnpm to v9.15.9 (#6986)

Author: renovate[bot]

package.json

@@ -330,7 +330,7 @@
     "vitest": "~1.2.2",
     "vitest-canvas-mock": "^0.3.3"
   },
-  "packageManager": "[email protected].7",
+  "packageManager": "[email protected].9",
   "publishConfig": {
     "access": "public",
     "registry": "https://registry.npmjs.org"