Typo in 0.22.4 release notes

[Ian Mackenzie]

In the 0.22.4 release notes there is a minor typo that nonetheless prevents proper updating to the prerelease version; 'Elm Language support' should be 'Elm Language Support' in

{
  "install_prereleases":
  [
    "Elm Language support"
  ],
}

[Kevin Yank]

Fixed by dfbb8bd