chore(deps): update ghcr.io/vexxhost/openstack-venv-builder:2025.2 docker digest to e38a40f

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

Author: renovate[bot]

Dockerfile

@@ -2,7 +2,7 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2025-10-14T10:18:12Z
 
-FROM ghcr.io/vexxhost/openstack-venv-builder:2025.2@sha256:e3286bfd1d2b2ee91c313da9e32d93b352ce1e93b684a3affffa1a84145055e7 AS build
+FROM ghcr.io/vexxhost/openstack-venv-builder:2025.2@sha256:e38a40f247d7c6106e9e467650f9392b9b51aa23acf9a366a5f539e617868b79 AS build
 RUN <<EOF bash -xe
 uv pip install \
     --constraint /upper-constraints.txt \