Upgrade formatting to clang-format 10 (#5895)

* Update formatting tools to clang-format-10

* Reformat using clang-format-10.0.09

include/engine/api/table_api.hpp

@@ -407,8 +407,8 @@ class TableAPI final : public BaseAPI
     const TableParameters &parameters;
 };
 
-} // ns api
-} // ns engine
-} // ns osrm
+} // namespace api
+} // namespace engine
+} // namespace osrm
 
 #endif