Release python-ironicclient 2.3.0

Releases initial rocky version of python-ironicclient
which has support for rescue which didn't make it into
the prior release due to CI load and gate queue depth
at the time of release.

Change-Id: I58321055d03f02a1892d65f2670d164d4969c202

deliverables/rocky/python-ironicclient.yaml

@@ -4,5 +4,10 @@ launchpad: python-ironicclient
 release-model: cycle-with-intermediary
 team: ironic
 type: client-library
+releases:
+  - projects:
+      - hash: 964556bb8ce623fc47ee3378fb11ae77225c0b75
+        repo: openstack/python-ironicclient
+    version: 2.3.0
 repository-settings:
   openstack/python-ironicclient: {}