Fix compilation error

Author: matth-x

tests/ChargingSessions.cpp

@@ -16,6 +16,8 @@
 #include <catch2/catch.hpp>
 #include "./helpers/testHelper.h"
 
+#include <array>
+
 #define BASE_TIME "2023-01-01T00:00:00.000Z"
 
 using namespace MicroOcpp;