chore(deps): update ghcr.io/vexxhost/ubuntu-cloud-archive:main docker digest to b6e23d5

Signed-off-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:main@sha256:685b7a7bb878eba18f4f09865d525fb2691e4d7853035d2ef08bcf50a60b8424
+FROM ghcr.io/vexxhost/ubuntu-cloud-archive:main@sha256:b6e23d5fe42aa12f98837bca74657fc269959d98d87557fa71460a6ddf6f35e0
 ENV PATH=/var/lib/openstack/bin:$PATH
 RUN \
     apt-get update -qq && \