update to JJB 2.0.3 for compat with new global-jjb version

Change-Id: Ia241bb35f2b2ff2c6b01f5b435e51cda3d5e2a27
diff --git a/Makefile b/Makefile
index ab690d9..2d8c2ba 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@
 .PHONY: test clean
 
 VENV_DIR      ?= venv-jjb
-JJB_VERSION   ?= 2.0.0
+JJB_VERSION   ?= 2.0.3
 JOBCONFIG_DIR ?= job-configs
 
 $(VENV_DIR):