chore(deps): update ghcr.io/vexxhost/openstack-venv-builder:2025.2 docker digest to 14b74c2

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Dockerfile

@@ -1,7 +1,7 @@
 # SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-FROM ghcr.io/vexxhost/openstack-venv-builder:2025.2@sha256:9f24be149b8ba7fa1dc70006ff18a5d194893f6b5bac3e5d0a3c95d112282909 AS build
+FROM ghcr.io/vexxhost/openstack-venv-builder:2025.2@sha256:14b74c2a6b23029a5d1940462614d6a84945e21f2ca776698ca7170ce3589bcc AS build
 RUN \
   --mount=type=bind,from=horizon,source=/,target=/src/horizon,readwrite \
   --mount=type=bind,from=designate-dashboard,source=/,target=/src/designate-dashboard,readwrite \