[gnome-keysign] flatpak: use https instead of ssh

[Ludovico de Nittis <denittis src gnome org>]

commit fea01c6ea18d43bf9f5edc9156d409f3e5c0f13d
Author: RyuzakiKK <aasonykk gmail com>
Date:   Tue Oct 9 18:46:24 2018 +0200

    flatpak: use https instead of ssh
    
    With ssh we have the unexpected side effect of requiring an account.

 flatpak/org.gnome.Keysign.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/flatpak/org.gnome.Keysign.yml b/flatpak/org.gnome.Keysign.yml
index de54a37..743201b 100644
--- a/flatpak/org.gnome.Keysign.yml
+++ b/flatpak/org.gnome.Keysign.yml
@@ -352,5 +352,5 @@ modules:
       - sed -i 's|python -m|python3 -m|g' /app/share/applications/org.gnome.Keysign.desktop
     sources:
       - type: git
-        url: git gitlab gnome org:GNOME/gnome-keysign.git
+        url: https://gitlab.gnome.org/GNOME/gnome-keysign.git
         branch: master