Set job_type to nightly

.gitlab-ci.yml

@@ -10,6 +10,6 @@ variables:
   # Test this on `RKE2`, `EKS`
   CLUSTER_TYPE: "RKE2"
   # Test this on `default`, `nightly`, `clean_install_oci`, `oci_clean_install`, `cut_release`
-  JOB_TYPE: "oci_clean_install"
+  JOB_TYPE: "nightly"
   # Test `merge_request_event`, `push`, and `schedule`
   #CI_PIPELINE_SOURCE: "push"
\ No newline at end of file