Subject: [PATCH] GCC13 compatibility: Explicitly include cstdint

See https://gcc.gnu.org/gcc-13/porting_to.html
---
Index: ecal/thirdparty/termcolor/include/termcolor/termcolor.hpp
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
diff --git a/ecal/thirdparty/termcolor/include/termcolor/termcolor.hpp b/ecal/thirdparty/termcolor/include/termcolor/termcolor.hpp
--- a/ecal/thirdparty/termcolor/include/termcolor/termcolor.hpp	(revision b3cb0f365f8435588df7a6b12a82b2ac5fc1fe95)
+++ b/ecal/thirdparty/termcolor/include/termcolor/termcolor.hpp	(date 1683614533931)
@@ -13,6 +13,7 @@
 #define TERMCOLOR_HPP_
 
 #include <iostream>
+#include <cstdint>
 
 // Detect target's platform and set some macros in order to wrap platform
 // specific code this library depends on.