go.mod: pin k8s dependencies to the same version as in buildx

Buildx uses replace rules to pin these dependencies to the version
that's used in buildkit. Newer versions of these dependencies are
incompatible with some go versions, and we do not need the newer
versions for where it's used.

Signed-off-by: Sebastiaan van Stijn <[email protected]>

Author: thaJeztah

go.mod

@@ -10,7 +10,7 @@ require (
 	github.com/containerd/console v1.0.3
 	github.com/containerd/containerd v1.6.1
 	github.com/distribution/distribution/v3 v3.0.0-20210316161203-a01c71e2477e
-	github.com/docker/buildx v0.8.0
+	github.com/docker/buildx v0.8.0 // when updating, also update the replace rules accordingly
 	github.com/docker/cli v20.10.12+incompatible
 	github.com/docker/cli-docs-tool v0.4.0
 	github.com/docker/docker v20.10.7+incompatible
@@ -124,16 +124,24 @@ require (
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
-	k8s.io/apimachinery v0.23.4 // indirect
-	k8s.io/client-go v0.23.4 // indirect
+	k8s.io/apimachinery v0.23.4 // indirect; see replace for the actual version used
+	k8s.io/client-go v0.23.4 // indirect; see replace for the actual version used
 	k8s.io/klog/v2 v2.30.0 // indirect
 	k8s.io/utils v0.0.0-20211116205334-6203023598ed // indirect
-	sigs.k8s.io/json v0.0.0-20211020170558-c049b76a60c6 // indirect
 	sigs.k8s.io/structured-merge-diff/v4 v4.2.1 // indirect
 	sigs.k8s.io/yaml v1.2.0 // indirect
 )
 
 replace (
 	github.com/docker/cli => github.com/docker/cli v20.10.3-0.20220309205733-2b52f62e9627+incompatible
 	github.com/docker/docker => github.com/docker/docker v20.10.3-0.20220309172631-83b51522df43+incompatible
+
+	// For k8s dependencies, we use a replace directive, to prevent them being
+	// upgraded to the version specified in containerd, which is not relevant to the
+	// version needed.
+	// See https://github.com/docker/buildx/pull/948 for details.
+	// https://github.com/docker/buildx/blob/v0.8.0/go.mod#L62-L64
+	k8s.io/api => k8s.io/api v0.22.4
+	k8s.io/apimachinery => k8s.io/apimachinery v0.22.4
+	k8s.io/client-go => k8s.io/client-go v0.22.4
 )