convert uses of interface{} to any

Done via:
  find . -name "*.go" | xargs sed -i -E 's/interface\{\}/any/g'

PiperOrigin-RevId: 487033228

runsc/cgroup/cgroup.go

@@ -429,7 +429,7 @@ type cgroupJSONSystemd struct {
 }
 
 type cgroupJSONUnknown struct {
-	Cgroup interface{} `json:"cgroupunknown"`
+	Cgroup any `json:"cgroupunknown"`
 }
 
 // UnmarshalJSON implements json.Unmarshaler.UnmarshalJSON

runsc/cgroup/systemd.go

@@ -292,14 +292,14 @@ func addIOProps(props []systemdDbus.Property, name string, devs []specs.LinuxThr
 	return props
 }
 
-func (c *cgroupSystemd) addProp(name string, value interface{}) {
+func (c *cgroupSystemd) addProp(name string, value any) {
 	if value == nil {
 		return
 	}
 	c.properties = append(c.properties, newProp(name, value))
 }
 
-func newProp(name string, units interface{}) systemdDbus.Property {
+func newProp(name string, units any) systemdDbus.Property {
 	return systemdDbus.Property{
 		Name:  name,
 		Value: dbus.MakeVariant(units),

runsc/cgroup/systemd_test.go

@@ -237,7 +237,7 @@ func filterProperties(got []systemdDbus.Property, want []systemdDbus.Property) [
 	if want == nil {
 		return nil
 	}
-	filterMap := map[string]interface{}{}
+	filterMap := map[string]any{}
 	for _, prop := range want {
 		filterMap[prop.Name] = nil
 	}