* SYNERGY-551 Update macOS installer
* New icon
* SYNERGY-551 Update macOS installer.
* SYNERGY-551 Update ChangeLog
* Fix GitHub action for Windows build.
* Using new version of setup-msbuild
* Fixed env. variables
Fixed rpm build producing 0badc0de as revision
Also changed checksums to output to the same file with a txt extension
Signed-off-by: Jamie Newbon <jamie@symless.com>