chore(deps): update all digest updates

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout (changelog)	action	digest	9c091bb → 3d3c42e
busybox	kubernetes_stateful_set_v1	digest	fd8d9aa → dc2d74b
cachix/install-nix-action (changelog)	action	digest	a49548c → 630ae54
docker	kubernetes_stateful_set_v1	digest	66d292e → 084e385

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