Upload to unstable

Closes: #953766

debian/changelog

-glib-networking (2.64.0-1) UNRELEASED; urgency=medium
+glib-networking (2.64.0-1) unstable; urgency=medium
 
-  * New upstream release
-
- -- Simon McVittie <smcv@debian.org>  Fri, 13 Mar 2020 08:22:03 +0000
+  * Team upload
+  * New upstream stable release
+  * Upload to unstable
+    - In particular, this removes a test that asserts we are able to
+      work around servers' protocol intolerance by falling back to older
+      TLS versions. That feature enables downgrade attacks, and was
+      removed in GLib 2.63.2 and glib-networking 2.63.2, causing the
+      test to fail in older glib-networking versions. (Closes: #953766)
+  * Switch packaging branch back to debian/master for unstable
+  * d/watch: Only look for stable releases again
+  * Standards-Version: 4.5.0 (no changes required)
+  * d/copyright: Remove PKCS11 stuff.
+    Its addition was reverted in 2.63.90.
+
+ -- Simon McVittie <smcv@debian.org>  Fri, 13 Mar 2020 09:51:06 +0000
 
 glib-networking (2.63.92-1) experimental; urgency=medium