Move runtime to core/runtime

Signed-off-by: Derek McGowan <derek@mcg.dev>

core/metrics/cgroups/cgroups.go

@@ -22,10 +22,10 @@ import (
 	"github.com/containerd/cgroups/v3"
 	v1 "github.com/containerd/containerd/v2/core/metrics/cgroups/v1"
 	v2 "github.com/containerd/containerd/v2/core/metrics/cgroups/v2"
+	"github.com/containerd/containerd/v2/core/runtime"
 	"github.com/containerd/containerd/v2/pkg/events"
 	"github.com/containerd/containerd/v2/platforms"
 	"github.com/containerd/containerd/v2/plugins"
-	"github.com/containerd/containerd/v2/runtime"
 	"github.com/containerd/plugin"
 	"github.com/containerd/plugin/registry"
 	metrics "github.com/docker/go-metrics"

core/metrics/cgroups/v1/cgroups.go

@@ -23,10 +23,10 @@ import (
 
 	cgroups "github.com/containerd/cgroups/v3/cgroup1"
 	eventstypes "github.com/containerd/containerd/v2/api/events"
+	"github.com/containerd/containerd/v2/core/runtime"
 	"github.com/containerd/containerd/v2/pkg/errdefs"
 	"github.com/containerd/containerd/v2/pkg/events"
 	"github.com/containerd/containerd/v2/pkg/namespaces"
-	"github.com/containerd/containerd/v2/runtime"
 	"github.com/containerd/log"
 	"github.com/docker/go-metrics"
 )

core/metrics/cgroups/v2/cgroups.go

@@ -21,8 +21,8 @@ package v2
 import (
 	"context"
 
+	"github.com/containerd/containerd/v2/core/runtime"
 	"github.com/containerd/containerd/v2/pkg/events"
-	"github.com/containerd/containerd/v2/runtime"
 	"github.com/docker/go-metrics"
 )