chore(deps): update pnpm to v9.15.4

Author: renovate[bot]

package.json

@@ -184,7 +184,7 @@
     "webpack-cli": "6.0.1",
     "webpack-merge": "6.0.1"
   },
-  "packageManager": "[email protected].3",
+  "packageManager": "[email protected].4",
   "lint-staged": {
     "*": "biome check --fix --no-errors-on-unmatched",
     "*.{js,ts,tsx}": "pnpm test -- --findRelatedTests -u --passWithNoTests"