Fix clippy::uninlined_format_args warning

```
error: variables can be used directly in the `format!` string
  --> examples/linux-inotify.rs:55:17
   |
55 |                 println!("{:?}", event);
   |                 ^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#uninlined_format_args
   = note: `-D clippy::uninlined-format-args` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::uninlined_format_args)]`
help: change this to
   |
55 -                 println!("{:?}", event);
55 +                 println!("{event:?}");
   |
```

Author: taiki-e

examples/linux-inotify.rs

@@ -52,7 +52,7 @@ fn main() -> std::io::Result<()> {
         // Wait for events in a loop and print them on the screen.
         loop {
             for event in unsafe { inotify.read_with_mut(read_op).await? } {
-                println!("{:?}", event);
+                println!("{event:?}");
             }
         }
     })