Run cargo fix --edition-idioms

crates/syntax/src/syntax_error.rs

@@ -38,7 +38,7 @@ impl SyntaxError {
 }
 
 impl fmt::Display for SyntaxError {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         self.0.fmt(f)
     }
 }