Update runc version to 1.0.0-rc1

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
diff --git a/VERSION b/VERSION
index 17e51c3..867bf6b 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.1.1
+1.0.0-rc1