Update ghcr.io/code0-tech/cygnus Docker tag to v1664

[renovate]

This PR contains the following updates:

Package	Type	Change
ghcr.io/code0-tech/cygnus	docker_registry_image	1653 → 1664

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[github-actions]

GitLab Pipeline Action

General information

Link to pipeline: https://gitlab.com/code0-tech/infrastructure/mensa/-/pipelines/2661352617

Status: Passed
Duration: 3 minutes

Job summaries

tf-plan:server_production

No changes. Your infrastructure matches the configuration.

tf-plan:server_administration

Plan: 4 to add, 0 to change, 4 to destroy.

tf-plan:github

No changes. Your infrastructure matches the configuration.

tf-plan:main

No changes. Your infrastructure matches the configuration.