ClickHouse Chart Release 0.3.9

[joshleecreates]

Changes:

• feat: auto-apply extraPorts to service templates #111: adds extraPorts to service templates
• Small tweaks about user profiles, server settings and extraCountainer mount points. #109: improves user profiles, mount points
• feat: expose security-context for pod and containers of the keeper #119: uses securityContext for Keeper pods