Update azimuth to 0.16.4 (#1014)

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

Author: azimuth-automation-bot[bot]

roles/azimuth/defaults/main.yml

@@ -3,7 +3,7 @@
 # The chart to use
 azimuth_chart_repo: https://azimuth-cloud.github.io/azimuth
 azimuth_chart_name: azimuth
-azimuth_chart_version: 0.16.3
+azimuth_chart_version: 0.16.4
 
 # Release information for the Azimuth release
 azimuth_release_namespace: azimuth