fix: upgrade axios from 1.7.4 to 1.7.7

Snyk has created this PR to upgrade axios from 1.7.4 to 1.7.7.

See this package in yarn:
axios

See this project in Snyk:
https://app.snyk.io/org/oph-snyk/project/84abdeeb-9d9e-4376-92f5-0d0983809ad7?utm_source=github-cloud-app&utm_medium=referral&page=upgrade-pr

frontend/package.json

@@ -34,7 +34,7 @@
     "@mui/x-date-pickers": "^5.0.20",
     "@reduxjs/toolkit": "^1.9.7",
     "@types/js-cookie": "^3.0.6",
-    "axios": "^1.7.4",
+    "axios": "^1.7.7",
     "dayjs": "^1.11.13",
     "finnish-personal-identity-code-validator": "kimmotaskinen/finnish-personal-identity-code-validator#support-new-delimiters",
     "history": "^5.3.0",