Bump axios from 1.4.0 to 1.6.0 in /frontend

Bumps [axios](https://github.com/axios/axios) from 1.4.0 to 1.6.0.
- [Release notes](https://github.com/axios/axios/releases)
- [Changelog](https://github.com/axios/axios/blob/v1.x/CHANGELOG.md)
- [Commits](https://github.com/axios/axios/compare/v1.4.0...v1.6.0)

---
updated-dependencies:
- dependency-name: axios
  dependency-type: direct:production
...

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

frontend/package-lock.json

@@ -14,7 +14,7 @@
         "@navikt/ds-tailwind": "^4.6.1",
         "@navikt/ds-tokens": "^4.6.1",
         "autoprefixer": "10.4.14",
-        "axios": "^1.4.0",
+        "axios": "^1.6.0",
         "postcss": "8.4.6",
         "react": "^18.2.0",
         "react-dom": "^18.2.0",
@@ -2047,10 +2047,9 @@
       }
     },
     "node_modules/axios": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/axios/-/axios-1.4.0.tgz",
-      "integrity": "sha512-S4XCWMEmzvo64T9GfvQDOXgYRDJ/wsSZc7Jvdgx5u1sd0JwsuPLqb3SYmusag+edF6ziyMensPVqLTSc1PiSEA==",
-      "license": "MIT",
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-1.6.0.tgz",
+      "integrity": "sha512-EZ1DYihju9pwVB+jg67ogm+Tmqc6JmhamRN6I4Zt8DfZu5lbcQGw3ozH9lFejSJgs/ibaef3A9PMXPLeefFGJg==",
       "dependencies": {
         "follow-redirects": "^1.15.0",
         "form-data": "^4.0.0",