Fix schemars maxItems being L instead of U

src/bounded_vec.rs

@@ -564,9 +564,9 @@
     }
 }
 
 /// Option<BoundedVec<T, _, _>> to Vec<T>
 pub trait OptBoundedVecToVec<T> {
     /// Option<BoundedVec<T, _, _>> to Vec<T>
     fn to_vec(self) -> Vec<T>;
 }
 
@@ -664,7 +664,7 @@
                     "type": "array",
                     "items": T::json_schema(gen),
                     "minItems": L as u32,
-                    "maxItems": L as u32
+                    "maxItems": U as u32
                 })
             }
         }