chore(deps): update vexxhost images (stable/2025.2)

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
ghcr.io/vexxhost/openstack-venv-builder	stage	digest	4cbd88a → 7f3552a
ghcr.io/vexxhost/python-base	final	digest	27fbda8 → 0a63bb9

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renovate[bot]
This pull request has been included in the following image tags:

ghcr.io/vexxhost/keystone:2025.2
ghcr.io/vexxhost/keystone:stable-2025.2
ghcr.io/vexxhost/keystone:9451508
ghcr.io/vexxhost/keystone:latest

Digest: ghcr.io/vexxhost/keystone@sha256:3c7d675851df2e187eabcdf64199a00ff2df67ffffb55f6d44a82bdc18a30ce9