Update release notes to include link to allow list and fix missing word (#1708)
Update release notes to include link to allow list and fix missing word (#1708)

* update releaes notes typo and link

* fix link

* Update content/sensu-go/5.12/release-notes.md

Co-Authored-By: Cameron Johnston <1d572acbfa68c7c6e541c7b840d6b622e5c0dc91@sensu.io>

sensu/sensu-docs,sensu/sensu-docs,sensu/sensu-docs,sensu/sensu-docs,sensu/sensu-docs