Add #include <algorithm> to fix building with gcc 14

With gcc 14 some C++ Standard Library headers have been changed to no
longer include other headers that were used internally by the library.
In libdatachannel's case it is the <algorithm> header.

GCC 14 porting guide: https://gcc.gnu.org/gcc-14/porting_to.html#header-dep-changes

Signed-off-by: Kostadin Shishmanov <[email protected]>

src/impl/icetransport.cpp

@@ -12,6 +12,7 @@
 #include "transport.hpp"
 #include "utils.hpp"
 
+#include <algorithm>
 #include <iostream>
 #include <random>
 #include <sstream>