Update GitHub Actions

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
docker/build-push-action	action	digest	2eb1c19 -> f05b754
docker/login-action	action	digest	465a078 -> 0a5a6d5
docker/metadata-action	action	digest	ef25336 -> 35e9aff
docker/setup-buildx-action	action	digest	16c0bc4 -> 2a1a44a

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Configuration

📅 Schedule: Branch creation - "before 4am on Monday" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

👻 Immortal: This PR will be recreated if closed unmerged. Get config help if that's undesired.

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• [ ] If you want to rebase/retry this PR, check this box

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