[meld/flatpak-ci] Update to optimistically use the master runtime

[Kai Willadsen <kaiw src gnome org>]

commit c2814be078a85b051f51c49a91b20a3f20a91df3
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Sun Sep 29 07:32:30 2019 +1000

    Update to optimistically use the master runtime

 data/org.gnome.meld-devel.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/data/org.gnome.meld-devel.json b/data/org.gnome.meld-devel.json
index 323f4dcb..6fa54ce7 100644
--- a/data/org.gnome.meld-devel.json
+++ b/data/org.gnome.meld-devel.json
@@ -1,7 +1,7 @@
 {
   "app-id": "org.gnome.meld",
   "runtime": "org.gnome.Platform",
-  "runtime-version": "3.30",
+  "runtime-version": "master",
   "sdk": "org.gnome.Sdk",
   "command": "meld",
   "cleanup": [