Merge of [#1.0.2] Update to version 12.16 of the postgresql12 into development and master

What is your Merge about?

If this is your first merge, please use the Initialization Template.

This will update the version of the base image postgresql12 to 12.16 with will cover the issues found in master.

For more information please visit Iron Bank Documentation

Note: Please be sure you create an issue related to this merge request and the issue is labeled ~"Hardening::Review", this will initiate a CHT member review of your merge request.