Rollback to deprecated "logrotate" JJB option

sre-ci dislikes new parameter

Change-Id: I124e1b125343b02f167f9ea6b768e6b5f9492847
diff --git a/jobs/templates/released-heat-cicd-queens-contrail41-sl.yml b/jobs/templates/released-heat-cicd-queens-contrail41-sl.yml
index 4dfd557..cb714cc 100644
--- a/jobs/templates/released-heat-cicd-queens-contrail41-sl.yml
+++ b/jobs/templates/released-heat-cicd-queens-contrail41-sl.yml
@@ -233,6 +233,6 @@
           refspec: ${{TCP_QA_REFS}}
           url: https://gerrit.mcp.mirantis.com/mcp/tcp-qa
       script-path: jobs/pipelines/deploy-cicd-and-run-tests.groovy
-    build-discarder:
-      days-to-keep: 365
-      artifact-days-to-keep: 60
+    logrotate:
+      DaysToKeep: 365
+      artifactDaysToKeep: 60