Ignore explicit_auto_deref clippy lint

    error: deref which would be done by auto-deref
      --> gen/build/src/intern.rs:23:27
       |
    23 |         Some(interned) => *interned,
       |                           ^^^^^^^^^ help: try this: `interned`
       |
       = note: `-D clippy::explicit-auto-deref` implied by `-D clippy::all`
       = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_auto_deref

gen/build/src/lib.rs

@@ -52,6 +52,7 @@
     clippy::doc_markdown,
     clippy::drop_copy,
     clippy::enum_glob_use,
+    clippy::explicit_auto_deref,
     clippy::if_same_then_else,
     clippy::inherent_to_string,
     clippy::items_after_statements,