Bump deps (#1885)

```
* use go 1.17 semantics in go.mod
* pin tonistiigi/fsutil dep to match docker/docker's dep
go get -u ./...
go mod vendor
```

vendor/github.com/containerd/continuity/devices/devices_unix.go

@@ -1,4 +1,5 @@
-// +build linux darwin freebsd solaris
+//go:build !windows
+// +build !windows
 
 /*
    Copyright The containerd Authors.
@@ -56,7 +57,7 @@ func Mknod(p string, mode os.FileMode, maj, min int) error {
 		m |= unix.S_IFIFO
 	}
 
-	return unix.Mknod(p, m, int(dev))
+	return mknod(p, m, dev)
 }
 
 // syscallMode returns the syscall-specific mode bits from Go's portable mode bits.

vendor/github.com/containerd/continuity/devices/devices_windows.go

@@ -17,11 +17,10 @@
 package devices
 
 import (
+	"fmt"
 	"os"
-
-	"github.com/pkg/errors"
 )
 
 func DeviceInfo(fi os.FileInfo) (uint64, uint64, error) {
-	return 0, 0, errors.Wrap(ErrNotSupported, "cannot get device info on windows")
+	return 0, 0, fmt.Errorf("cannot get device info on windows: %w", ErrNotSupported)
 }

vendor/github.com/containerd/continuity/devices/mknod_freebsd.go

@@ -0,0 +1,26 @@
+//go:build freebsd
+// +build freebsd
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package devices
+
+import "golang.org/x/sys/unix"
+
+func mknod(path string, mode uint32, dev uint64) (err error) {
+	return unix.Mknod(path, mode, dev)
+}

vendor/github.com/containerd/continuity/devices/mknod_unix.go

@@ -0,0 +1,26 @@
+//go:build !(freebsd || windows)
+// +build !freebsd,!windows
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package devices
+
+import "golang.org/x/sys/unix"
+
+func mknod(path string, mode uint32, dev uint64) (err error) {
+	return unix.Mknod(path, mode, int(dev))
+}