update Makefile : add upgrade modules commands

Makefile

@@ -86,7 +86,9 @@ cleanup_addons:
 	@bash ${PWD}/setup/clean_up_addons.sh $(shell echo $(ADDONS) | tr ',' ' ') 
 install_modules:
 	${PYTHON} odoo-bin --config=${CONFIG} -d ${DATABASE} -i ${MODULES} --xmlrpc-port=${PORT}
-	
+upgrade_modules:
+	${PYTHON} odoo-bin upgrade_code --addons-path ${ADDONS} --from ${OLD_VERS} --to ${NEW_VERS}
+
 ##### Docker Deployment #########
 run_test_docker: 
 	sudo ${DOCKER_EXEC} ${CONTAINER_ID} odoo --test-tags :TestAccountMove.test_out_invoice_auto_post_monthly,TestAccountMove.test_included_tax  --log-level=test --test-enable -d testdb-${TAG} --stop-after-init --config=/etc/odoo/${CONFIG} --xmlrpc-port=8071 && \