chore(deps): update docker digests

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
alpine	final	digest	13b7e62 -> 6457d53
arm32v6/alpine	final	digest	45eeb55 -> b229a85
arm64v8/alpine	final	digest	a70bcfb -> a0264d6
i386/alpine	final	digest	b31dd6b -> 15c46ce

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