Starting snapshot 2.3.0-SNAPSHOT

Change-Id: Ic3b1e8a308d08d6afcb565b184f0364d9936e23b
diff --git a/tools/build/bazel/variables.bzl b/tools/build/bazel/variables.bzl
index acea2a9..c0b2e69 100644
--- a/tools/build/bazel/variables.bzl
+++ b/tools/build/bazel/variables.bzl
@@ -1,4 +1,4 @@
-ONOS_VERSION = "2.2.0-SNAPSHOT"
+ONOS_VERSION = "2.3.0-SNAPSHOT"
 ONOS_ARTIFACT_BASE = "onos-"
 ONOS_GROUP_ID = "org.onosproject"
 ONOS_ORIGIN = "ONOS Community"