Fix Megalinter error, inlcude header

Stefanie Mrozinski · Stefanie Mrozinski · commit 4c5e07fb501a · 2026-07-08T17:50:23.000+02:00
diff --git a/PWGEM/PhotonMeson/Tasks/photonhbt.cxx b/PWGEM/PhotonMeson/Tasks/photonhbt.cxx
@@ -56,6 +56,7 @@
 #include <initializer_list>
 #include <map>
 #include <random>
+#include <memory>
 #include <string>
 #include <string_view>
 #include <tuple>
