Git is only needed for getting the short sha to append to
the version string in the development version of the application.
And as such it shouldn't be required for normal builds.
While I really do appreciate that George decided to travel back from
the future to do the release, this brakes the CI and needs to be fixed.
Sadly the CI and Nightlies are incompatible with the future.
org.gnome.Calendar.desktop: AppData problem: attribute-invalid : <release> timestamp is in the future
Error loading AppData file: AppData file /app/share/appdata/org.gnome.Calendar.appdata.xml was not valid