🚨 fixed some clang-tidy warnings

include/nlohmann/detail/meta/detected.hpp

@@ -52,5 +52,5 @@ using is_detected_exact = std::is_same<Expected, detected_t<Op, Args...>>;
 template <class To, template <class...> class Op, class... Args>
 using is_detected_convertible =
     std::is_convertible<detected_t<Op, Args...>, To>;
-}
-}
+}  // namespace detail
+}  // namespace nlohmann