fix: package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-CROSSSPAWN-8303230

package.json

@@ -61,13 +61,13 @@
     "@types/react-dom": "^18.3.0",
     "chromatic": "^11.7.1",
     "eslint": "^8",
-    "eslint-config-next": "14.2.5",
+    "eslint-config-next": "15.0.0",
     "eslint-plugin-storybook": "^0.8.0",
     "husky": "^9.1.4",
     "jest": "^29.7.0",
     "lint-staged": "^15.2.9",
     "prettier": "3.3.3",
-    "storybook": "^8.2.9",
+    "storybook": "^8.3.0",
     "stylelint": "^16.8.1",
     "stylelint-config-standard": "^36.0.0",
     "ts-jest": "^29.2.4",