chore(deps): update ghcr.io/vexxhost/openstack-venv-builder:2025.2 docker digest to 48b442e

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:b5fab55222cac6a941f449dc7dab1a9fa669d2eb0f105cda0397b44c36ffca00 AS build
+FROM ghcr.io/vexxhost/openstack-venv-builder:2025.2@sha256:48b442e2cf7471bf5dd77e4f3668ec893262b7e67fb75d95dd3f356283e24f56 AS build
 RUN <<EOF bash -xe
 uv pip install \
     --constraint /upper-constraints.txt \