fix(deps): update k8s.io/utils digest to ff6756f

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
k8s.io/utils	require	digest	d4aae2b → ff6756f

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[coveralls]

coverage: 57.388%. remained the same
when pulling 25689dd on renovate/k8s.io-utils-digest
into 22e9b1d on master.

[renovate]

ℹ️ Artifact update notice

File name: go.mod

In order to perform the update(s) described in the table above, Renovate ran the go get command, which resulted in the following additional change(s):

• The go directive was updated for compatibility reasons

Details:

Package	Change
go	1.18 -> 1.23