Error on Windows PowerShell with event-read example

[gwenn]

Describe the bug
An error happens when the Esc key is pressed on Windows

To Reproduce
Steps to reproduce the behavior:

1. Open a Windows Powershell
2. Run cargo run --example event-read
3. Press Esc
4. See error:

> cargo run --example event-read
    Finished dev [unoptimized + debuginfo] target(s) in 0.22s
     Running `target\debug\examples\event-read.exe`
Blocking read()
 - Keyboard, mouse, focus and terminal resize events enabled
 - Hit "c" to print current cursor position
 - Use Esc to quit

Event: Key(KeyEvent { code: Enter, modifiers: KeyModifiers(0x0), kind: Release, state: KeyEventState(0x0) })
Event: Key(KeyEvent { code: Esc, modifiers: KeyModifiers(0x0), kind: Press, state: KeyEventState(0x0) })
Error: Custom { kind: Unsupported, error: "Keyboard progressive enhancement not implemented for the legacy Windows API." }
error: process didn't exit successfully: `target\debug\examples\event-read.exe` (exit code: 1)

Expected behavior
Esc should quit without error.

OS

• Windows 10

Terminal/Console

• Windows Powershell