Allow slice_as_bytes on bytes_nth

Author: A-Walrus

tests/ui/bytes_nth.fixed

@@ -1,6 +1,7 @@
 //@run-rustfix
 
 #![allow(clippy::unnecessary_operation)]
+#![allow(clippy::slice_as_bytes)]
 #![warn(clippy::bytes_nth)]
 
 fn main() {

tests/ui/bytes_nth.rs

@@ -1,6 +1,7 @@
 //@run-rustfix
 
 #![allow(clippy::unnecessary_operation)]
+#![allow(clippy::slice_as_bytes)]
 #![warn(clippy::bytes_nth)]
 
 fn main() {

tests/ui/bytes_nth.stderr

@@ -1,19 +1,19 @@
 error: called `.bytes().nth()` on a `String`
-  --> $DIR/bytes_nth.rs:8:13
+  --> $DIR/bytes_nth.rs:9:13
    |
 LL |     let _ = s.bytes().nth(3);
    |             ^^^^^^^^^^^^^^^^ help: try: `s.as_bytes().get(3).copied()`
    |
    = note: `-D clippy::bytes-nth` implied by `-D warnings`
 
 error: called `.bytes().nth().unwrap()` on a `String`
-  --> $DIR/bytes_nth.rs:9:14
+  --> $DIR/bytes_nth.rs:10:14
    |
 LL |     let _ = &s.bytes().nth(3).unwrap();
    |              ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `s.as_bytes()[3]`
 
 error: called `.bytes().nth()` on a `str`
-  --> $DIR/bytes_nth.rs:10:13
+  --> $DIR/bytes_nth.rs:11:13
    |
 LL |     let _ = s[..].bytes().nth(3);
    |             ^^^^^^^^^^^^^^^^^^^^ help: try: `s[..].as_bytes().get(3).copied()`