scale is not work for canvas element

[mahoushoujoarale]

Steps To Reproduce

As above, when scale is set to a value which is greater than 1, plain html element is scaled as expected while canvas element is not.

Error Message & Stack Trace

```txt ```

Your Environment

• modern-screenshot: [e.g. 4.4.9]
• Browser: [e.g. chrome 111.0.5563.64]

[mahoushoujoarale]

@qq15725 Is there a way to solve this problem? It's quite common to set scale to 2 for macOS User, because macintosh uses a retina screen.