message: docs: update macOS version
  Update macOS version as latest version of Electron is 10.10 compatible only (Yosemite)
  Change-Type: patch
diff: @@ -43,4 +43,4 @@ Etcher requires an available [polkit authentication agent](https://wiki.archlinu
  ## May I run Etcher in older macOS versions?
  -Etcher GUI is based on the [Electron](http://electron.atom.io/) framework, [which only supports macOS 10.9 and newer versions](https://github.com/electron/electron/blob/master/docs/tutorial/support.md#supported-platforms).
  +Etcher GUI is based on the [Electron](http://electron.atom.io/) framework, [which only supports macOS 10.10 and newer versions](https://github.com/electron/electron/blob/master/docs/tutorial/support.md#supported-platforms).
  