[Backport 2.x] Added secure settings for ssl related passwords: (#2296)#3037

davidlago merged 8 commits intoopensearch-project:2.xopensearch-project/security:2.xfrom

DarshitChanpura:backport/backport-2296-to-2.xDarshitChanpura/security:backport/backport-2296-to-2.xCopy head branch name to clipboard