chore(deps): update ghcr.io/vexxhost/openstack-venv-builder:2023.1 docker digest to 55a030b (stable/2023.1)

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
ghcr.io/vexxhost/openstack-venv-builder	stage	digest	f8efbe1 → 55a030b

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

ghcr.io/vexxhost/python-openstackclient:2023.1
ghcr.io/vexxhost/python-openstackclient:stable-2023.1
ghcr.io/vexxhost/python-openstackclient:5d76ab7
ghcr.io/vexxhost/python-openstackclient:latest

Digest: ghcr.io/vexxhost/python-openstackclient@sha256:dab404dc4e8671e2398c187e67ec12b0d16eb4d39e8e55ae384f3fdffa9d8232