Bump axios and auth0

Removes [axios](https://github.com/axios/axios). It's no longer used after updating ancestor dependency [auth0](https://github.com/auth0/node-auth0). These dependencies need to be updated together.


Removes `axios`

Updates `auth0` from 3.0.1 to 4.1.0
- [Release notes](https://github.com/auth0/node-auth0/releases)
- [Changelog](https://github.com/auth0/node-auth0/blob/master/CHANGELOG.md)
- [Commits](https://github.com/auth0/node-auth0/commits)

---
updated-dependencies:
- dependency-name: axios
  dependency-type: indirect
- dependency-name: auth0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>