replace deprecated method call

src/poetry/packages/locker.py

@@ -269,7 +269,7 @@ class Locker:
             requirement = locked_package.to_dependency()
             requirement = locked_package.to_dependency()
             requirement.marker = requirement.marker.intersect(marker)
             requirement.marker = requirement.marker.intersect(marker)
 
 
-            requirement.set_constraint(constraint)
+            requirement.constraint = constraint
 
 
             for require in locked_package.requires:
             for require in locked_package.requires:
                 if require.in_extras and locked_package.features.isdisjoint(
                 if require.in_extras and locked_package.features.isdisjoint(

src/poetry/puzzle/provider.py

@@ -697,8 +697,8 @@ class Provider:
                 for dep_any in any_markers_dependencies:
                 for dep_any in any_markers_dependencies:
                     dep_any.marker = inverted_marker
                     dep_any.marker = inverted_marker
                     for dep_other in other_markers_dependencies:
                     for dep_other in other_markers_dependencies:
-                        dep_other.set_constraint(
-                            dep_other.constraint.intersect(dep_any.constraint)
+                        dep_other.constraint = dep_other.constraint.intersect(
+                            dep_any.constraint
                         )
                         )
             elif not inverted_marker.is_empty() and self._python_constraint.allows_any(
             elif not inverted_marker.is_empty() and self._python_constraint.allows_any(
                 get_python_constraint_from_marker(inverted_marker)
                 get_python_constraint_from_marker(inverted_marker)