Fix intellisense on Auth0 class

[adamjmcgrath]

Changes

Fix Intellisense for Auth0 class

References

fixes #483

[Viicos]

Indeed might be better than using a if TYPE_CHECKING check

[michaeloliverx]

It would probably help if the same fix was done on the AsyncAuth0 class.

[adamjmcgrath]

Thanks for the suggestion @michaeloliverx - but every async method is generated at runtime so adding intellisense to the AsyncAuth0 class wont be overly helpful.

In a future major upgrade we will look at generating this code at build time so that we can provide intellisense for async methods (as well as some other benefits) to this SDK - but in the meantime the async methods will have to stay as they are