Fix promotion

Author: MoteHue

.github/workflows/overcloud-host-image-promote.yml

@@ -105,6 +105,6 @@ jobs:
           -e os_distribution='ubuntu' \
           -e os_release='noble'
         env:
-          ARTIFACT_TAG: "${{ steps.ubuntu_noble_image_tag.outputs.noble_image_tag }}"
+          ARTIFACT_TAG: ${{ steps.ubuntu_noble_image_tag.outputs.noble_image_tag }}
           KAYOBE_VAULT_PASSWORD: ${{ secrets.KAYOBE_VAULT_PASSWORD }}
         if: inputs.ubuntu-noble