Rollup merge of #114014 - davidtwco:issue-114010-env-rawstr, r=cjgillot

builtin_macros: expect raw strings too

Fixes #114010.

`expr_to_string` allows raw strings through so this code should be expected to handle those.

clippy_lints/src/strings.rs

@@ -328,7 +328,7 @@ impl<'tcx> LateLintPass<'tcx> for StringLitAsBytes {
                     {
                         // Don't lint. Byte strings produce `&[u8; N]` whereas `as_bytes()` produces
                         // `&[u8]`. This change would prevent matching with different sized slices.
-                    } else {
+                    } else if !callsite.starts_with("env!") {
                         span_lint_and_sugg(
                             cx,
                             STRING_LIT_AS_BYTES,