fix(ci): fix Copybara export-commits role

GitOrigin-RevId: f96eddc186d31dde456e0ec1537485ebca312017
diff --git a/roles/validate-copybara-config/tasks/main.yaml b/roles/validate-copybara-config/tasks/main.yaml
index 346550e..9dbb543 100644
--- a/roles/validate-copybara-config/tasks/main.yaml
+++ b/roles/validate-copybara-config/tasks/main.yaml
@@ -4,6 +4,7 @@
     dest: "{{ zuul.project.src_dir }}/.copybara/test_repos_config.bara.sky"
     remote_src: true
     force: true
+
 - name: "Validate Copybara conf file"
   ansible.builtin.shell:
     cmd: "copybara validate copy.bara.sky"