Fix boost header deprecation warning (#6515)

src/server/api/url_parser.cpp

@@ -2,7 +2,7 @@
 #include "engine/polyline_compressor.hpp"
 
 #include <boost/fusion/include/adapt_struct.hpp>
-#include <boost/spirit/include/phoenix.hpp>
+#include <boost/phoenix.hpp>
 #include <boost/spirit/include/qi.hpp>
 #include <boost/spirit/repository/include/qi_iter_pos.hpp>
 

src/util/conditional_restrictions.cpp

@@ -1,7 +1,7 @@
 #include "util/conditional_restrictions.hpp"
 
 #include <boost/fusion/include/adapt_struct.hpp>
-#include <boost/spirit/include/phoenix.hpp>
+#include <boost/phoenix.hpp>
 #include <boost/spirit/include/qi.hpp>
 
 namespace osrm::util

src/util/opening_hours.cpp

@@ -1,6 +1,6 @@
 #include "util/opening_hours.hpp"
 
-#include <boost/spirit/include/phoenix.hpp>
+#include <boost/phoenix.hpp>
 #include <boost/spirit/include/qi.hpp>
 
 #include <boost/io/ios_state.hpp>