fix: package.json & package-lock.json to reduce vulnerabilities (#160)

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-NEXT-12299318

Co-authored-by: snyk-bot <[email protected]>

Author: shenanigansd

package-lock.json

@@ -18,7 +18,7 @@
     "axios": "^1.11.0",
     "eslint": "9.32.0",
     "eslint-config-next": "15.4.5",
-    "next": "15.4.5",
+    "next": "15.4.7",
     "react": "19.1.1",
     "react-dom": "19.1.1",
     "react-icons": "^5.5.0",