Ignore unbuffered_bytes clippy lint

    warning: calling .bytes() is very inefficient when data is not in memory
       --> src/read.rs:202:40
        |
    202 |             iter: LineColIterator::new(reader.bytes()),
        |                                        ^^^^^^^^^^^^^^
        |
        = help: consider using `BufReader`
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unbuffered_bytes
        = note: `-W clippy::unbuffered-bytes` implied by `-W clippy::all`
        = help: to override `-W clippy::all` add `#[allow(clippy::unbuffered_bytes)]`

Author: dtolnay

src/lib.rs

@@ -318,6 +318,7 @@
     clippy::needless_lifetimes,
     clippy::return_self_not_must_use,
     clippy::transmute_ptr_to_ptr,
+    clippy::unbuffered_bytes,
     clippy::unconditional_recursion, // https://github.com/rust-lang/rust-clippy/issues/12133
     clippy::unnecessary_wraps
 )]