[shotwell] flatpak: Switch to runtime 3.30

[Jens Georg <jensgeorg src gnome org>]

commit 66d8bccd506c250cdc67864caf00feb5a46c77ab
Author: Jens Georg <mail jensge org>
Date:   Tue Oct 2 09:49:05 2018 +0200

    flatpak: Switch to runtime 3.30

 flatpak/org.gnome.Shotwell.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/flatpak/org.gnome.Shotwell.json b/flatpak/org.gnome.Shotwell.json
index b9c93af8..78e2291a 100644
--- a/flatpak/org.gnome.Shotwell.json
+++ b/flatpak/org.gnome.Shotwell.json
@@ -1,7 +1,7 @@
 {
     "app-id": "org.gnome.Shotwell",
     "runtime": "org.gnome.Platform",
-    "runtime-version": "3.28",
+    "runtime-version": "3.30",
     "sdk": "org.gnome.Sdk",
     "command" : "shotwell",
     "tags": [ "nightly" ],