ci: fix relup tests

.github/workflows/run_relup_tests.yaml

@@ -25,6 +25,7 @@ jobs:
       run:
         shell: bash
     steps:
+    - uses: AutoModality/action-clean@v1
     - uses: actions/download-artifact@v3
       with:
         name: emqx-enterprise
@@ -50,10 +51,10 @@ jobs:
       with:
         name: emqx_built
         path: |
-          emqx/_upgrade_base
-          emqx/_packages
-          emqx/scripts
-          emqx/.ci
+          _upgrade_base
+          _packages
+          scripts
+          .ci
 
   relup_test_run:
     needs:
@@ -72,6 +73,7 @@ jobs:
       run:
         shell: bash
     steps:
+    - uses: AutoModality/action-clean@v1
     - uses: actions/download-artifact@v3
       name: Download built emqx and test scenario
       with: