Update caas-workstation to 0.9.0 (#669)

Co-authored-by: mkjpryor <[email protected]>

Author: azimuth-automation-bot[bot]

roles/azimuth_caas_operator/defaults/main.yml

@@ -205,7 +205,7 @@ azimuth_caas_workstation_git_url: >-
       default("https://github.com/azimuth-cloud/caas-workstation.git")
   }}
 # The git version for the workstation
-azimuth_caas_workstation_default_git_version: 0.8.1
+azimuth_caas_workstation_default_git_version: 0.9.0
 azimuth_caas_workstation_git_version: >-
   {{
     azimuth_caas_stackhpc_workstation_git_version |