chore(deps): update vexxhost images (stable/2023.2)

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
ghcr.io/vexxhost/openstack-venv-builder	stage	digest	c55d8c6 → d523718
ghcr.io/vexxhost/python-base	final	digest	908a7d4 → 8a6403e

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

ghcr.io/vexxhost/python-openstackclient:2023.2
ghcr.io/vexxhost/python-openstackclient:stable-2023.2
ghcr.io/vexxhost/python-openstackclient:8709447
ghcr.io/vexxhost/python-openstackclient:latest

Digest: ghcr.io/vexxhost/python-openstackclient@sha256:99da81381aac68fe8d554873a167faff5c6ebd2693b2ec97316f310ce2608b1c