refactor(transformer/class-properties): rename var (#8006)

Give var more descriptive name.

crates/oxc_transformer/src/es2022/mod.rs

@@ -63,11 +63,11 @@ impl<'a, 'ctx> Traverse<'a> for ES2022<'a, 'ctx> {
 
     fn enter_assignment_target(
         &mut self,
-        node: &mut AssignmentTarget<'a>,
+        target: &mut AssignmentTarget<'a>,
         ctx: &mut TraverseCtx<'a>,
     ) {
         if let Some(class_properties) = &mut self.class_properties {
-            class_properties.enter_assignment_target(node, ctx);
+            class_properties.enter_assignment_target(target, ctx);
         }
     }
 }