CLOUD-727: Bump docker/setup-buildx-action from 3 to 4 #5895

Job	Run time
runner / suggester / gofmt	7s
runner / suggester / goimports-reviser	22s
runner / shellcheck	11s
runner / suggester / golangci-lint	2m 15s
runner / misspell	22s
runner / suggester / shfmt	15s
runner / manifests	1m 58s
e2e-tests release_versions image availability	25s
runner / alex	39s
	6m 34s

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