Cant build ssh3 (for Windows)

linux

```
$ git clone https://github.com/francoismichel/ssh3
$ cd ssh3
```
```
$ GOOS=windows GOARCH=amd64 go build -o ssh3.exe cmd/main.go

# github.com/francoismichel/ssh3/util/unix_util
util/unix_util/cmd.go:59:18: cmd.SysProcAttr.Setsid undefined (type *syscall.ProcAttr has no field or method Setsid)
util/unix_util/cmd.go:60:18: cmd.SysProcAttr.Setctty undefined (type *syscallsProcAttr has no field or method Setctty)
util/unix_util/user.go:20:9: undefined: getUser
util/unix_util/user.go:36:18: cmd.SysProcAttr.Credential undefined (type *sysl.SysProcAttr has no field or method Credential)
util/unix_util/user.go:36:40: undefined: syscall.Credential
util/unix_util/user.go:77:18: cmd.SysProcAttr.Credential undefined (type *sysl.SysProcAttr has no field or method Credential)
util/unix_util/user.go:77:40: undefined: syscall.Credential
util/unix_util/user.go:87:9: undefined: userPasswordAuthentication
util/unix_util/user.go:91:9: undefined: passwordAuthAvailable

```
```
$ go version
go version go1.23.4 linux/amd64
```

windows

```
$ git clone https://github.com/francoismichel/ssh3
$ cd ssh3
```
```
$ go build -o ssh3.exe cmd/ssh3/main.go

# github.com/francoismichel/ssh3/util/unix_util
util/unix_util/cmd.go:59:18: cmd.SysProcAttr.Setsid undefined (type *syscall.ProcAttr has no field or method Setsid)
util/unix_util/cmd.go:60:18: cmd.SysProcAttr.Setctty undefined (type *syscallsProcAttr has no field or method Setctty)
util/unix_util/user.go:20:9: undefined: getUser
util/unix_util/user.go:36:18: cmd.SysProcAttr.Credential undefined (type *sysl.SysProcAttr has no field or method Credential)
util/unix_util/user.go:36:40: undefined: syscall.Credential
util/unix_util/user.go:77:18: cmd.SysProcAttr.Credential undefined (type *sysl.SysProcAttr has no field or method Credential)
util/unix_util/user.go:77:40: undefined: syscall.Credential
util/unix_util/user.go:87:9: undefined: userPasswordAuthentication
util/unix_util/user.go:91:9: undefined: passwordAuthAvailable

```
```
$ go version
go version go1.23.4 windows/amd64
```