Update azimuth-caas-operator to 0.15.2 (#631)

Co-authored-by: mkjpryor <642657+mkjpryor@users.noreply.github.com>

Author: azimuth-automation-bot[bot]

roles/azimuth_caas_operator/defaults/main.yml

@@ -2,7 +2,7 @@
 # The chart to use
 azimuth_caas_operator_chart_repo: https://azimuth-cloud.github.io/azimuth-caas-operator
 azimuth_caas_operator_chart_name: azimuth-caas-operator
-azimuth_caas_operator_chart_version: 0.15.1
+azimuth_caas_operator_chart_version: 0.15.2
 
 # Release information for the operator release
 # Use the same namespace as Azimuth by default