message: Updates to release checklist
diff: # Release checklist
  -- [ ] `git flow release start v19.3.0` (`v19.3.0-beta.1` if beta)
  +- [ ] `git flow release start <VERSION_NUMBER>` (`<VERSION_NUMBER>` prefixed with `v` and add `-beta.1` if beta)
  - [ ] Check that all new changes are reflected in the changelog
  -- [ ] Bump package.json version to `v19.3.0` (`v19.3.0-beta.1` if beta)
  +- [ ] Bump package.json version to `<VERSION_NUMBER>` without prefix `v`
  - [ ] `nvm ls` Make sure you are on node v10+
  - [ ] `npm run build`
  - [ ] `npm run test`, make sure all tests are passing
  - [ ] Commit changes
  - [ ] `npm publish` or `npm publish --tag beta` for beta
  -- [ ] Enter OTP
  - [ ] Make sure your `master` and `develop` branches are up-to-date
  -- [ ] `git flow release finish v19.3.0` (`v19.3.0-beta.1` if beta)
  +- [ ] `git flow release finish <VERSION_NUMBER>`
  - [ ] `git push origin develop`
  - [ ] `git checkout master`
  - [ ] `git checkout -b master-test`
  - [ ] `git push origin master`
  - [ ] `git branch -D master-test`
  - [ ] `git push origin :master-test`
  -- [ ] Announce availability in #engineering
  +- [ ] Announce availability in #engineering and on the forum here: https://forum.blockstack.org/c/releases (Include a link to the changelog)
  