Fix includes for windows

components/common/cpp/src/uri.cpp

 #include <ftl/uri.hpp>
 // #include <filesystem>  TODO When available
 #include <cstdlib>
-#include <unistd.h>
 #include <loguru.hpp>
 
+#ifndef WIN32
+#include <unistd.h>
+#endif
+
 using ftl::URI;
 using ftl::uri_t;
 using std::string;