Bump axios from 0.20.0 to 0.21.0 in /packages/webapp

Bumps [axios](https://github.com/axios/axios) from 0.20.0 to 0.21.0.
- [Release notes](https://github.com/axios/axios/releases)
- [Changelog](https://github.com/axios/axios/blob/master/CHANGELOG.md)
- [Commits](https://github.com/axios/axios/compare/v0.20.0...v0.21.0)

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packages/webapp/package.json

@@ -4,7 +4,7 @@
   "version": "1.0.0",
   "author": "Nebulous",
   "dependencies": {
-    "axios": "0.20.0",
+    "axios": "0.21.0",
     "bytes": "3.1.0",
     "classnames": "2.2.6",
     "fontsource-metropolis": "3.0.1",