activate qt6 for debian trixie (#14229)

Author: adrpo

common/m4/qmake.m4

@@ -5,14 +5,14 @@ AC_SUBST(LRELEASE)
 AC_SUBST(WITH_QT6)
 AC_ARG_WITH(qt6,  [  --with-qt6       (build with qt6)],[WITH_QT6="$withval"],[WITH_QT6="no"])
 
-# check if we have ubuntu plucky and activate --with-qt6
+# check if we have ubuntu plucky or debian trixie and activate --with-qt6
 # if so as we don't have webkit in that one.
 # maybe we should check if qt5webkit exists and if not activate qt6
 # but I have no idea how to do that
 
-if "lsb_release" -cs | grep plucky; then
+if "lsb_release" -cs | grep "plucky\|trixie"; then
   WITH_QT6="yes"
-  AC_MSG_RESULT([Forcing qt6 as we don't have webkit in plucky distro])
+  AC_MSG_RESULT([Forcing qt6 as we don't have webkit in newer distros])
 fi
 
 AC_MSG_CHECKING([if qt6 is requested])