chore(deps): update ghcr.io/vexxhost/openstack-venv-builder:main docker digest to cbfae74 (#282)

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: 2024-06-25T22:49:25Z
 
-FROM ghcr.io/vexxhost/openstack-venv-builder:main@sha256:67401d0498370e239b86c770454bdd11873fc15ba8efad399954340f129899d4 AS build
+FROM ghcr.io/vexxhost/openstack-venv-builder:main@sha256:cbfae7476a8b591b289dba6c7c3a3d0c0460267080774358adb2ce07af2350c0 AS build
 RUN --mount=type=bind,from=heat,source=/,target=/src/heat,readwrite <<EOF bash -xe
 uv pip install \
     --constraint /upper-constraints.txt \