Upload to unstable

- d/gbp.conf: Reset packaging branch to debian/master

debian/changelog

@@ -1,3 +1,10 @@
+ostree (2019.3-3) unstable; urgency=medium
+
+  * Upload to unstable
+    - d/gbp.conf: Reset packaging branch to debian/master
+
+ -- Simon McVittie <smcv@debian.org>  Thu, 19 Sep 2019 17:49:53 +0100
+
 ostree (2019.3-2) experimental; urgency=medium
 
   [ Felix Krull ]

debian/gbp.conf

@@ -1,7 +1,7 @@
 [DEFAULT]
 pristine-tar = True
 compression = xz
-debian-branch = debian/experimental
+debian-branch = debian/master
 upstream-branch = upstream/latest
 patch-numbers = False
 upstream-vcs-tag = v%(version)s