chore(deps): update ghcr.io/vexxhost/openstack-venv-builder:2024.2 docker digest to df81b2c (#803)

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

@@ -2,7 +2,7 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
 # Atmosphere-Rebuild-Time: 2025-02-20T21:42:46Z
 
-FROM ghcr.io/vexxhost/openstack-venv-builder:2024.2@sha256:5c89f2aacca6c0c30bee80c2a4b04ade59980c317b038a3558839cbb7cf50caa AS build
+FROM ghcr.io/vexxhost/openstack-venv-builder:2024.2@sha256:df81b2cce83e364fce0d2532d60fa6c66dcb6bd82f811a93bd3c076d00e65141 AS build
 RUN <<EOF bash -xe
 uv pip install \
     --constraint /upper-constraints.txt \