Update dependency eslint-config-next to v15 (#1083)

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

Author: renovate[bot]

pnpm-lock.yaml

@@ -10,7 +10,7 @@
     "@typescript-eslint/eslint-plugin": "^7.0.0",
     "@typescript-eslint/parser": "^7.0.0",
     "eslint": "^8.56.0",
-    "eslint-config-next": "^14.1.0",
+    "eslint-config-next": "^15.0.0",
     "eslint-config-prettier": "^8.10.0",
     "eslint-config-standard": "^17.1.0",
     "eslint-config-standard-react": "^13.0.0",