Update GitHub Actions

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
docker/build-push-action	action	digest	4fad532 -> 56932de
docker/login-action	action	digest	a979406 -> 553b6f0
docker/metadata-action	action	digest	35e9aff -> 0f8c876
docker/setup-buildx-action	action	digest	4c0219f -> 7703e82

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Configuration

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

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

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