flatpak: Add libdazzle to non-Devel manifest

org.gnome.Podcasts.json

@@ -60,6 +60,21 @@
                 }
             ]
         },
+        {
+            "name" : "libdazzle",
+            "buildsystem" : "meson",
+            "cleanup" : [
+                "/include",
+                "/lib/pkgconfig"
+            ],
+            "sources" : [
+                {
+                    "type" : "git",
+                    "url" : "https://gitlab.gnome.org/GNOME/libdazzle.git",
+                    "branch" : "libdazzle-3-32"
+                }
+            ]
+        },
         {
             "name" : "gnome-podcasts",
             "builddir" : "true",