Bump axios from 0.20.0 to 0.21.1 in /library

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](axios/axios@v0.20.0...v0.21.1)

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Author: dependabot[bot]

library/package-lock.json

@@ -3,7 +3,7 @@
     "dependencies": {
         "@material-ui/core": "4.11.0",
         "@material-ui/icons": "4.9.1",
-        "axios": "0.20.0",
+        "axios": "0.21.1",
         "jquery": "3.5.1",
         "openvidu-browser": "2.16.0",
         "typeface-roboto": "0.0.75"