Update auth0-python requirement from ==3.* to ==4.*

Updates the requirements on [auth0-python](https://github.com/auth0/auth0-python) to permit the latest version.
- [Release notes](https://github.com/auth0/auth0-python/releases)
- [Changelog](https://github.com/auth0/auth0-python/blob/master/CHANGELOG.md)
- [Commits](auth0/auth0-python@3.1.1...4.1.0)

---
updated-dependencies:
- dependency-name: auth0-python
  dependency-type: direct:production
...

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

requirements.txt

@@ -7,7 +7,7 @@ ruamel.yaml==0.17.*
 
 # auth0 is used to communicate with Auth0's REST API that we integrate with in
 # various ways.
-auth0-python==3.*
+auth0-python==4.*
 
 # jsonschema is used for validating cluster.yaml configurations
 jsonschema==4.*