Metal3: Replace CAPM3 API version with branch names in all jobs trigger phrases

Change-Id: Ifb9d04095e825f3c5b06b9040d116b05ea2cf89b
diff --git a/jjb/metal3/job_capm3_main_integration_tests.yml b/jjb/metal3/job_capm3_main_integration_tests.yml
index 19d8b52..7827fb6 100644
--- a/jjb/metal3/job_capm3_main_integration_tests.yml
+++ b/jjb/metal3/job_capm3_main_integration_tests.yml
@@ -26,7 +26,7 @@
 
 - job-template:
     id: capm3_main_integration_tests
-    name: '{job_prefix}_main_{version}_integration_test_{image_os}'
+    name: '{job_prefix}_main_{capm3_target_branch}_integration_test_{image_os}'
     description: "CAPM3 {capm3_version} integration tests for {org}/{repo} on {image_os}."
     project-type: pipeline
     defaults: global