[Fix] Memory leak due to containers serialization

• [Add] minimal std::any implementation compatible with C++14 GenericOperator parameters are accessed by reference

include/aidge/utils/Any.hpp

@@ -110,7 +110,7 @@ public:
     template<typename T, typename VT = _Decay_if_not_any<T>, std::enable_if_t<std::is_copy_constructible<VT>::value, bool> = true>
     explicit _any(T&& value)
         : _M_manager(&Manager<VT>::manage),
-            _M_data(new VT{std::forward<T>(value)})
+          _M_data(new VT{std::forward<T>(value)})
     {}
 
     ~_any()