Ignore buggy doc_link_with_quotes clippy lint
Ignore buggy doc_link_with_quotes clippy lint

https://github.com/rust-lang/rust-clippy/issues/8961

    error: possible intra-doc link using quotes instead of backticks
       --> serde_test/src/token.rs:277:5
        |
    277 |     /// let vec = vec!['a', 'b', 'c'];
        |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
        |
        = note: `-D clippy::doc-link-with-quotes` implied by `-D clippy::pedantic`
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#doc_link_with_quotes

serde-rs/serde