chore(deps): update pnpm to v8.7.6 (#609)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -152,5 +152,5 @@
     "webpack-cli": "^5.1.1",
     "webpack-merge": "^5.8.0"
   },
-  "packageManager": "pnpm@8.6.1"
+  "packageManager": "pnpm@8.7.6"
 }