Set godot version in CI to 3.1
As the latest godot version is 3.2, exporting could produce some problems.
Signed-off-by: Florian Kothmeier floriankothmeier@web.de
As the latest godot version is 3.2, exporting could produce some problems.
Signed-off-by: Florian Kothmeier floriankothmeier@web.de