Update GitHub Actions

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
docker/build-push-action	action	digest	0a97817 -> 4c1b68d
docker/login-action	action	digest	a5609cb -> b4bedf8
docker/metadata-action	action	digest	79f06a3 -> 879dcbb
docker/setup-buildx-action	action	digest	a52126d -> dedd61c

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Configuration

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♻ 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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