Bump axios from 0.20.0 to 0.21.1 in /front

Bumps [axios](https://github.com/axios/axios) from 0.20.0 to 0.21.1.
- [Release notes](https://github.com/axios/axios/releases)
- [Changelog](https://github.com/axios/axios/blob/v0.21.1/CHANGELOG.md)
- [Commits](https://github.com/axios/axios/compare/v0.20.0...v0.21.1)

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

front/package.json

@@ -23,7 +23,7 @@
   "dependencies": {
     "@types/simple-peer": "^9.6.0",
     "@types/socket.io-client": "^1.4.32",
-    "axios": "^0.20.0",
+    "axios": "^0.21.1",
     "generic-type-guard": "^3.2.0",
     "google-protobuf": "^3.13.0",
     "phaser": "^3.22.0",