Bump eslint-config-next from 13.5.3 to 14.0.4 in /packages/mui

Bumps [eslint-config-next](https://github.com/vercel/next.js/tree/HEAD/packages/eslint-config-next) from 13.5.3 to 14.0.4.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](https://github.com/vercel/next.js/commits/v14.0.4/packages/eslint-config-next)

---
updated-dependencies:
- dependency-name: eslint-config-next
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

packages/mui/package-lock.json

@@ -30,7 +30,7 @@
 		"@types/react-dom": "18.2.8",
 		"@types/styled-components": "^5.1.28",
 		"eslint": "^8.50.0",
-		"eslint-config-next": "^13.5.3",
+		"eslint-config-next": "^14.0.4",
 		"prettier": "3.0.3",
 		"typescript": "5.2.2"
 	}