message: Update release-checklist.md
  Release checklist: update community on release
diff: - [ ] `git branch -D master-test`
  - [ ] `git push origin :master-test`
  - [ ] Announce availability in #engineering and on the forum here: https://forum.blockstack.org/c/releases (Include a link to the changelog)
  +- [ ] Announce availability to the community via Jenny Mith <jenny@blockstack.com> and Mitchell Cuevas <mitchell@blockstack.com>. Provide a succinct list of changes, the link to the changelog and latest release as well as a desired date for the community update.
  ## Production Release
  - [ ] `git flow release start <VERSION_NUMBER> master` (`<VERSION_NUMBER>` prefixed with `v`)
  - [ ] `git branch -D master-test`
  - [ ] `git push origin :master-test`
  - [ ] Announce availability in #engineering and on the forum here: https://forum.blockstack.org/c/releases (Include a link to the changelog)
  +- [ ] Announce availability to the community via Jenny Mith <jenny@blockstack.com> and Mitchell Cuevas <mitchell@blockstack.com>. Provide a succinct list of changes, the link to the changelog and latest release as well as a desired date for the community update. Consider doing an AMA on major/breaking releases.
  