Replace log with tracing

Tracing is a modern replacement for the log crate that allows for
annotating log messages with the function that they come from.

Signed-off-by: John Nunley <dev@notgull.net>
Closes: #3482

src/platform_impl/windows/window.rs

@@ -59,7 +59,7 @@ use windows_sys::Win32::{
     },
 };
 
-use log::warn;
+use tracing::warn;
 
 use crate::{
     cursor::Cursor,