refactor: remove beef dependency for now

This is just a temp change, I wanted to remove it just for clarity's
sake among dependencies, and will probably add it back in the future.

For now I'll just stick to std's beef.

src/utils/error.rs

@@ -1,5 +1,4 @@
-use beef::Cow;
-use std::result;
+use std::{borrow::Cow, result};
 use thiserror::Error;
 
 #[cfg(target_os = "linux")]