fix: dependencies on cstdint header fixed

test/runtime/fmt_test.cpp

@@ -23,6 +23,7 @@
 #include <catch2/catch_test_macros.hpp>
 #include <catch2/matchers/catch_matchers_exception.hpp>
 #include <mp-units/compat_macros.h>
+#include <cstdint>
 #include <iomanip>
 #include <limits>
 #include <locale>