os-traits: queens release 0.5.0

This is most likely the GA version of os-traits for the queens
release and what we'd branch for stable/queens.

There are only 3 changes in this release. The minor version is
bumped because there are new minimum required package dependencies
in this release.

The release notes URL for the pike deliverable is also updated.

Change-Id: Ib0154ade88150523070bf8f63ace4fd23983b672

deliverables/pike/os-traits.yaml

@@ -1,7 +1,7 @@
 ---
 launchpad: os-traits
 team: nova
-release-notes: https://docs.openstack.org/releasenotes/os-traits/unreleased.html
+release-notes: https://docs.openstack.org/releasenotes/os-traits/pike.html
 type: library
 release-model: cycle-with-intermediary
 include-pypi-link: yes

deliverables/queens/os-traits.yaml

@@ -4,6 +4,7 @@ team: nova
 type: library
 release-model: cycle-with-intermediary
 include-pypi-link: yes
+release-notes: https://docs.openstack.org/releasenotes/os-traits/unreleased.html
 releases:
   - version: 0.4.0
     projects:
@@ -11,3 +12,7 @@ releases:
         hash: 7d771c5b9106b04e92d8061b94c76e5dc774de08
     highlights: >
         - Adds support for filtering traits by a suffix.
+  - version: 0.5.0
+    projects:
+      - repo: openstack/os-traits
+        hash: e0a3a6ef1e36fb8a62970050959d33676cf41bc1