chore(deps): update ghcr.io/vexxhost/ubuntu-cloud-archive:2023.2 docker digest to 6c721a5 (#40)

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

Author: renovate[bot]

Dockerfile

@@ -1,7 +1,7 @@
 # SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-FROM ghcr.io/vexxhost/ubuntu-cloud-archive:2023.2@sha256:02180bfbcf768dfd32803a045a1eb20d6bc42307896cbc08f0943b52f29c750e
+FROM ghcr.io/vexxhost/ubuntu-cloud-archive:2023.2@sha256:6c721a5976172fafaa44072b38a8e8236464ae1316c96dd5ae2faa5217fd59ac
 ENV PATH=/var/lib/openstack/bin:$PATH
 RUN \
     apt-get update -qq && \