Download the iso in upgrade latest with cli test

Signed-off-by: Dimitris Karakasilis <dimitris@karakasilis.me>
Signed-off-by: Mauro Morales <mauro.morales@spectrocloud.com>

.github/workflows/reusable-upgrade-latest-test.yaml

@@ -34,10 +34,14 @@ jobs:
       - uses: actions/checkout@v3
       - run: |
           git fetch --prune --unshallow
-      - name: Download artifacts
+      - name: Download latest release
         uses: actions/download-artifact@v3
         with:
           name: latest-release.zip
+      - name: Download iso
+        uses: actions/download-artifact@v3
+        with:
+          name: kairos-${{ inputs.flavor }}.iso.zip
       - name: Release space from worker
         run: |
           echo "Listing top largest packages"