Add building snapshots for windows with MinGW

Author: rhabacker

.gitlab-ci.yml

@@ -8,7 +8,7 @@ include:
       - /gitlab-templates/freebsd.yml
       - /gitlab-templates/windows.yml
       - /gitlab-templates/flatpak.yml
-      # - /gitlab-templates/craft-windows-x86-64.yml
+      - /gitlab-templates/craft-windows-mingw64.yml
 suse_tumbleweed_qt515:
   except:
     - qt4.8.6-kdelibs4.14.9