membershipworks: Specify timezone in ticket price policy effective date

membershipworks/models.py

@@ -705,7 +705,14 @@ class EventTicketTypeManager(models.Manager["EventTicketType"]):
                         # non-member ticket
                         Q(restrict_to__isnull=True)
                         & (
-                            Q(event__start__lt=datetime(year=2024, month=7, day=1))
+                            Q(
+                                event__start__lt=datetime(
+                                    year=2024,
+                                    month=7,
+                                    day=1,
+                                    tzinfo=timezone.get_default_timezone(),
+                                )
+                            )
                             | Q(members_price=0)
                         )
                     ),