chore(deps): update ghcr.io/vexxhost/openstack-venv-builder:2024.1 docker digest to a038be9

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/openstack-venv-builder:2024.1@sha256:e09b94754200d65c23ac248edf0241ed14dc660c30b1fa5e8bf2cbdc5c112450 AS build
+FROM ghcr.io/vexxhost/openstack-venv-builder:2024.1@sha256:a038be9eea169fb0dfedee14794260fc52c9e46c5a5a2d271c05da050e78c7d0 AS build
 RUN \
   --mount=type=bind,from=horizon,source=/,target=/src/horizon,readwrite \
   --mount=type=bind,from=designate-dashboard,source=/,target=/src/designate-dashboard,readwrite \