manifest: Added manifest file name to integration script

BCS 746-000518

manifest-integration.yml

@@ -20,6 +20,7 @@ variables:
   # The BB_RECIPE_NAME is passed to the python scripts below anyway, but not
   # used for projects referenced in the manifest file.
   BB_RECIPE_NAME: none
+  MANIFEST_FILE: "default.xml"
 
 workflow:
   rules:
@@ -69,6 +70,7 @@ integrate:
         --gitlab-url=${CI_SERVER_URL}
         --token=${GITBOT_TOKEN}
         --manifest-project=${MANIFEST_PROJECT}
+        --manifest-file=${MANIFEST_FILE}
         --integration-base=${MASTER_BRANCH_MANIFEST}
         --project=${CI_PROJECT_PATH}
         --merge-request=${MERGE_REQUEST}