tf-sync-github-repos: fix script error

Signed-off-by: Arthur She <arthur.she@linaro.org>
Change-Id: Ic40df526c121a17d57dd4d1081455a1540b212ad
diff --git a/ci/tf-sync-repos.sh b/ci/tf-sync-repos.sh
index 3005a57..23f2a7c 100755
--- a/ci/tf-sync-repos.sh
+++ b/ci/tf-sync-repos.sh
@@ -91,5 +91,5 @@
     git -C "${_workdir}" push --force --tags "${gh_remote}" FETCH_HEAD:refs/heads/"${gh_branch}"
 
     # Triggered by new tag, no need to loop other branches
-    [ "$new_tag" == "1" ] && break
+    [ "$new_tag" == "1" ] && break || true
 done