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	738d054 → b19dc4c
ghcr.io/vexxhost/python-base	final	digest	6711ea0 → 8780b97

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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:c0a0b00
ghcr.io/vexxhost/python-openstackclient:latest

Digest: ghcr.io/vexxhost/python-openstackclient@sha256:bd6ea8dfcb769480090ccf11af1fa68b3d349022123159d23e5ff3f461f05265