[rygel/wip/ci] ci: Switch tracker to stable branch

[Jens Georg <jensgeorg src gnome org>]

commit c8385d125b48086182d08f83605d2d4686d48464
Author: Jens Georg <mail jensge org>
Date:   Fri May 1 14:42:39 2020 +0200

    ci: Switch tracker to stable branch

 build-aux/org.gnome.Rygel.json | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/build-aux/org.gnome.Rygel.json b/build-aux/org.gnome.Rygel.json
index f359af4b..c69f34f2 100644
--- a/build-aux/org.gnome.Rygel.json
+++ b/build-aux/org.gnome.Rygel.json
@@ -97,11 +97,12 @@
             "name": "tracker",
             "buildsystem": "meson",
             "cleanup": [ "/bin", "/etc", "/lib/girepository-1.0", "/libexec", "/share/dbus-1", 
"/share/gir-1.0" ],
-            "config-opts": [ "-Dbash_completion=no", "-Ddocs=false", "-Dsystemd_user_services=no" ],
+            "config-opts": [ "-Dbash_completion=no", "-Ddocs=false", "-Dsystemd_user_services=no", 
"-Dgstreamer_backend=gupnp" ],
             "sources": [
                 {
                     "type": "git",
-                    "url": "https://gitlab.gnome.org/GNOME/tracker.git";
+                    "url": "https://gitlab.gnome.org/GNOME/tracker.git";,
+                    "branch" : "tracker-2.3"
                 }
             ]
         },