TBR: v23: Make all versions 'v23-0.1'.

Change-Id: I024de06b4fac7a7d6744c96dd081543e7ea9b9ea
MultiPart: 2/27
diff --git a/VERSION b/VERSION
index 603150b..6d6ff85 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-jiri-0.1
+v23-0.1