Release neutron-lib for wallaby-1 milestone

This is a library release for neutron-lib for the wallaby-1
milestone. This repo includes commits that have not been releases for
this cycle yet.

If the team is ready to process with this release, please leave a +1
to indicate we should go ahead with the release.

If the team needs more time for things about to merge, or if there is
some other reason a release should not be done at this time, please
leave a -1 with a comment indicating the status. Then update the patch
with the new commit hash to use once the team is ready to do the
release.

Change-Id: Ia6b830ea105f7360ffbbc7e14b44fce7b7902808

deliverables/wallaby/neutron-lib.yaml

@@ -6,3 +6,8 @@ team: neutron
 type: library
 repository-settings:
   openstack/neutron-lib: {}
+releases:
+  - version: 2.7.0
+    projects:
+      - repo: openstack/neutron-lib
+        hash: 28373a924b0bc6fab56f5f52067ae607705f6654