Fix missing include in catch_message.hpp

Because the issue comes from the expansions of `UNSCOPED_INFO`,
surrogate TUs could not catch this bug, and in common usage, the
include transitively comes from `catch_test_macros.hpp`.

Fixes #2758

src/catch2/catch_message.hpp

@@ -14,6 +14,7 @@
 #include <catch2/internal/catch_stream_end_stop.hpp>
 #include <catch2/internal/catch_message_info.hpp>
 #include <catch2/catch_tostring.hpp>
+#include <catch2/interfaces/catch_interfaces_capture.hpp>
 
 #include <string>
 #include <vector>