[VOL-5009] - Create release notes for the v2.12 page.

Change-Id: Iafbc6b683cae034f7cbaf6b0a90c90120bc89506
diff --git a/VERSION b/VERSION
index b0c818e..ccc99d0 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.12.3-dev
+2.12.3