chore(deps): update ghcr.io/vexxhost/openstack-venv-builder:main docker digest to b8fb05f

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: 2024-06-25T22:49:25Z
 
-FROM ghcr.io/vexxhost/openstack-venv-builder:main@sha256:2860ac4705e23936ada2028feba168e24e05b1ad71ab6b254aa9a51293707435 AS build
+FROM ghcr.io/vexxhost/openstack-venv-builder:main@sha256:b8fb05f4bc5cd2644c8e0d9f9ff36eed32be5c6970fe6be2e4ed885785727186 AS build
 RUN <<EOF bash -xe
 uv pip install \
     --constraint /upper-constraints.txt \