Generator-jhipster: Update jboss/keycloak version to 9.0

[DanielFran]

Overview of the feature request

See:

• https://www.keycloak.org/docs/latest/release_notes/index.html

https://www.keycloak.org/2020/02/keycloak-900-released.html

• [x] Checking this box is mandatory (this is just to show you read everything)

[DanielFran]

@vishal423 Have you time to make the update?

[vishal423]

@DanielFran, I can handle this over weekend.

[vishal423]

I did a quick check and there seem to be some issues importing realm/users with CLI scripts. I can do the same operation via the Admin console without issues. Further the script profile is deprecated in favor of a dedicated jar and in the near future, we also need to migrate. For this specific issue, I will see if I can spend some more time debugging the issue and get a quick solution.

[vishal423]

I did some debugging and noticed an open issue on the Keycloak side. We may have to wait for the next release.

[vishal423]

Now that Keycloak v9 is released, I will try again over weekend.

[vishal423]

I did a quick check and the issue observed with the v8.0.2 is fixed in the v9.0. I will soon raise a PR.