add new node to cleanup list

Change-Id: I801d649210267f4f54c7a46270f33d80947169ab
diff --git a/ci-dockerslaves-cleanup.yaml b/ci-dockerslaves-cleanup.yaml
index 2ed6a45..fc0ae97 100644
--- a/ci-dockerslaves-cleanup.yaml
+++ b/ci-dockerslaves-cleanup.yaml
@@ -31,6 +31,7 @@
             values:
                 - x86_64-TF-01
                 - x86_64-TF-02
+                - x86-64-TF-03
     execution-strategy:
         sequential: false
     wrappers: