Add main e2e upgrade test job

Change-Id: I68ffb21e78a63da999f6e9cf69a4e4f079250db7
diff --git a/jjb/metal3/projects.yml b/jjb/metal3/projects.yml
index 5011f3a..5989f00 100644
--- a/jjb/metal3/projects.yml
+++ b/jjb/metal3/projects.yml
@@ -246,6 +246,9 @@
                   - 'master'
                   - 'main'
                   - 'release-0.5'
+      - capm3_main_e2e_upgrade_tests:
+          exclude:
+            - image_os: centos
       - capm3_main_e2e_tests:
           version:
             - v1b1: