Release os-brick for Bobcat-1 milestone

This is a library release for os-brick for the Bobcat-1
milestone. This repository contains 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: I1f479228fb5c0742496ba92d711371eff9d3d8d2
Signed-off-by: Elod Illes <elod.illes@est.tech>

deliverables/bobcat/os-brick.yaml

@@ -6,3 +6,8 @@ team: cinder
 type: library
 repository-settings:
   openstack/os-brick: {}
+releases:
+  - version: 6.3.0
+    projects:
+      - repo: openstack/os-brick
+        hash: 8daafd376bdca8daa2d285923e61cdc26119f290