6.1.1: Update supported versions page (#2793)
6.1.1: Update supported versions page (#2793)

* 6.1.1: Update supported versions page

* Add release date

Co-authored-by: Cameron Johnston <1d572acbfa68c7c6e541c7b840d6b622e5c0dc91@sensu.io>
sensu/sensu-docs,sensu/sensu-docs,sensu/sensu-docs,sensu/sensu-docs,sensu/sensu-docs