fix: package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-BODYPARSER-7926860
- https://snyk.io/vuln/SNYK-JS-EXPRESS-7926867
- https://snyk.io/vuln/SNYK-JS-SEND-7926862
- https://snyk.io/vuln/SNYK-JS-SERVESTATIC-7926865
- https://snyk.io/vuln/SNYK-JS-PATHTOREGEXP-7925106
- https://snyk.io/vuln/SNYK-JS-COOKIE-8163060

package.json

@@ -50,7 +50,7 @@
     "@storybook/addon-links": "^8.2.9",
     "@storybook/addon-onboarding": "^8.2.9",
     "@storybook/blocks": "^8.2.9",
-    "@storybook/nextjs": "^8.2.9",
+    "@storybook/nextjs": "^8.4.0",
     "@storybook/react": "^8.2.9",
     "@storybook/test": "^8.2.9",
     "@types/jest": "^29.5.12",