chore: enable clippy::print_stdout and clippy::print_stderr (#23732)

1. Generally we should prefer to use the `log` crate.
2. I very often accidentally commit `eprintln`s.

When we should use `println` or `eprintln`, it's not too bad to be a bit
more verbose and ignore the lint rule.

runtime/examples/extension/main.rs

@@ -1,5 +1,8 @@
 // Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
 
+#![allow(clippy::print_stdout)]
+#![allow(clippy::print_stderr)]
+
 use std::path::Path;
 use std::rc::Rc;