Updating .auroraversion to 0.20.0-rc0.
diff --git a/.auroraversion b/.auroraversion
index 6a8fc0b..26f5c15 100644
--- a/.auroraversion
+++ b/.auroraversion
@@ -1 +1 @@
-0.21.0-SNAPSHOT
+0.20.0-rc0