chore(deps): update vexxhost/docker-atmosphere digest to 5923a8f

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/build.yml

@@ -17,7 +17,7 @@ jobs:
       packages: write
       pull-requests: write
     steps:
-      - uses: vexxhost/docker-atmosphere/.github/actions/build-image@d763fd8920390074628431db771a56ab4f7aa8e2 # main
+      - uses: vexxhost/docker-atmosphere/.github/actions/build-image@5923a8fba3a98cf17e36583cc498d5e70a01c482 # main
         with:
           image-name: python-openstackclient
           push: ${{ github.event_name != 'pull_request' }}