https://github.com/OSGeo/PROJ/commit/b0b8937c56ced8eb0ffef532b9c691a1a5fc8634

--- src/proj_json_streaming_writer.hpp	2023-12-14 02:31:55.000000000 +0800
+++ src/proj_json_streaming_writer.hpp	2023-12-14 02:17:08.000000000 +0800
@@ -33,6 +33,7 @@
 
 #include <vector>
 #include <string>
+#include <cstdint>
 
 #define CPL_DLL