v0.4.1

Does the PR have any schema changes?

Looking good! No breaking changes found.
No new resources/functions.

What's Changed

• chore: run make ci-mgmt by @kangasta in #59
• Upgrade terraform-provider-upcloud to v5.23.1 by @github-actions[bot] in #61

Full Changelog: v0.4.0...v0.4.1