Update to containerd 1.6.8

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

vendor/github.com/alexellis/arkade/pkg/env/env.go

@@ -0,0 +1,44 @@
+// Copyright (c) arkade author(s) 2022. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+package env
+
+import (
+	"log"
+	"os"
+	"path"
+	"strings"
+
+	execute "github.com/alexellis/go-execute/pkg/v1"
+)
+
+// GetClientArch returns a pair of arch and os
+func GetClientArch() (arch string, os string) {
+	task := execute.ExecTask{Command: "uname", Args: []string{"-m"}, StreamStdio: false}
+	res, err := task.Execute()
+	if err != nil {
+		log.Println(err)
+	}
+
+	archResult := strings.TrimSpace(res.Stdout)
+
+	taskOS := execute.ExecTask{Command: "uname", Args: []string{"-s"}, StreamStdio: false}
+	resOS, errOS := taskOS.Execute()
+	if errOS != nil {
+		log.Println(errOS)
+	}
+
+	osResult := strings.TrimSpace(resOS.Stdout)
+
+	return archResult, osResult
+}
+
+func LocalBinary(name, subdir string) string {
+	home := os.Getenv("HOME")
+	val := path.Join(home, ".arkade/bin/")
+	if len(subdir) > 0 {
+		val = path.Join(val, subdir)
+	}
+
+	return path.Join(val, name)
+}