op-build v2.3 release notes

Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
diff --git a/doc/release-notes/index.rst b/doc/release-notes/index.rst
index 226a7d4..dc1fe70 100644
--- a/doc/release-notes/index.rst
+++ b/doc/release-notes/index.rst
@@ -75,3 +75,4 @@
 
    v2.3-rc1 
    v2.3-rc2
+   v2.3