gnu: shotwell: Update to 0.28.4.

* gnu/packages/gnome.scm (shotwell): Update to 0.28.4.

gnu/packages/gnome.scm

@@ -4432,7 +4432,7 @@ metadata in photo and video files of various formats.")
 (define-public shotwell
   (package
     (name "shotwell")
-    (version "0.28.0")
+    (version "0.28.4")
     (source (origin
               (method url-fetch)
               (uri (string-append "mirror://gnome/sources/" name "/"
@@ -4440,7 +4440,7 @@ metadata in photo and video files of various formats.")
                                   name "-" version ".tar.xz"))
               (sha256
                (base32
-                "1d797nmlz9gs6ri0h65b76s40ss6ma6h6405xqx03lhg5xni3kmg"))))
+                "03k7n2kmzqn11kf3733w7m6xjh2b5q9xr84za2hli11fjymzaxm9"))))
     (build-system glib-or-gtk-build-system)
     (propagated-inputs
      `(("dconf" ,dconf)))