[gnome-builder] Update flatpak.json "runtime-version": "3.30" from 3.28

[Christian Hergert <chergert src gnome org>]

commit a87f7919816a73bb2593e771063ea2ad136f7097
Author: somedudde <nullbytechr13 gmail com>
Date:   Fri Nov 23 01:54:00 2018 +0000

    Update flatpak.json "runtime-version": "3.30" from 3.28

 src/plugins/meson-templates/resources/flatpak.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/plugins/meson-templates/resources/flatpak.json 
b/src/plugins/meson-templates/resources/flatpak.json
index 839345428..6edfe5a17 100644
--- a/src/plugins/meson-templates/resources/flatpak.json
+++ b/src/plugins/meson-templates/resources/flatpak.json
@@ -1,7 +1,7 @@
 {
     "app-id": "{{appid}}",
     "runtime": "org.gnome.Platform",
-    "runtime-version": "3.28",
+    "runtime-version": "3.30",
     "sdk": "org.gnome.Sdk",
     "command": "{{exec_name}}",
     "finish-args": [