[gnome-keysign/flatpak] flatpak: update runtime to GNOME 3.26

[Tobias Mueller <tobiasmue src gnome org>]

commit 3fc85f62d8588d8774d71a4b851fec3954a5d01e
Author: RyuzakiKK <aasonykk gmail com>
Date:   Wed Nov 8 22:40:59 2017 +0100

    flatpak: update runtime to GNOME 3.26

 flatpak/org.gnome.Keysign.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/flatpak/org.gnome.Keysign.json b/flatpak/org.gnome.Keysign.json
index eadbea7..b4d60cf 100644
--- a/flatpak/org.gnome.Keysign.json
+++ b/flatpak/org.gnome.Keysign.json
@@ -2,7 +2,7 @@
     "id": "org.gnome.Keysign",
     "branch": "master",
     "runtime": "org.gnome.Platform",
-    "runtime-version": "3.22",
+    "runtime-version": "3.26",
     "sdk": "org.gnome.Sdk",
     "command": "gnome-keysign",
     "rename-desktop-file": "gnome-keysign.desktop",