Release oslo.serialization for Epoxy-1 milestone

This is a library release for oslo.serialization for the Epoxy-1 milestone.
This repository contains commits that have not been released 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: Ifcc8ac20457bb183546a7f75a7415e71c261c194
Signed-off-by: Elod Illes <elod.illes@est.tech>

deliverables/epoxy/oslo.serialization.yaml

@@ -6,3 +6,8 @@ team: oslo
 type: library
 repository-settings:
   openstack/oslo.serialization: {}
+releases:
+  - version: 5.6.0
+    projects:
+      - repo: openstack/oslo.serialization
+        hash: 0348d4bdf3078270da42656f606d8aaf943f614f