chore(deps): update ghcr.io/vexxhost/openstack-venv-builder:2025.2 docker digest to c559b33 (#308)

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: 2025-10-14T10:18:12Z
 
-FROM ghcr.io/vexxhost/openstack-venv-builder:2025.2@sha256:1102360f66bc81f195fd4a15cacb584709a689ce178a8bb620c105235f61ec2c AS build
+FROM ghcr.io/vexxhost/openstack-venv-builder:2025.2@sha256:c559b33dad2e4dcda5dd233fce86b24b091d6e790c2378841a5519f2309e77e2 AS build
 RUN <<EOF bash -xe
 uv pip install \
     --constraint /upper-constraints.txt \