Fix git checkout integration branch

.gitlab-ci.yml

@@ -50,7 +50,7 @@ setup_environment:
         cd CRI_XCBC;
       fi
     - >
-      git checkout integration;
+      git checkout -b integration;
       git merge uab-dev;
       cd ..;
     - s3cmd get --force --host=$AWS_HOST --host-bucket=$AWS_HOST s3://ood-config/group_vars/all CRI_XCBC/group_vars/all