message: Bump appdata to v0.3.3
diff: @@ -28,7 +28,7 @@ However, it does allow configuration of many aspects of the terminal.</p>
  <url type="homepage">https://github.com/jwilm/alacritty</url>
  <url type="bugtracker">https://github.com/jwilm/alacritty/issues</url>
  <releases>
  - <release version="0.3.2" date="19.04.24" unix_timestamp="1556145865"/>
  + <release version="0.3.3" date="2019-06-16" unix_timestamp="1560694196"/>
  </releases>
  <update_contact>https://github.com/jwilm/alacritty/blob/master/CONTRIBUTING.md#contact</update_contact>
  <developer_name>Joe Wilm</developer_name>
  