point dependencies to 'release' branches

Change-Id: Ice5b28077b2d12203a8d3194497f2f312b2264db
Reviewed-by: aavit <eirik.aavitsland@digia.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

sync.profile

@@ -5,5 +5,5 @@
 #   - any git symbolic ref resolvable from the module's repository (e.g. "refs/heads/master" to track master branch)
 #
 %dependencies = (
-        "qtbase" => "refs/heads/stable",
+        "qtbase" => "refs/heads/release",
 );