[django-import-export] Update to 4.4.* (#15256)

Author: donbarbos

stubs/django-import-export/METADATA.toml

@@ -1,4 +1,4 @@
-version = "4.3.*"
+version = "4.4.*"
 upstream_repository = "https://github.com/django-import-export/django-import-export"
 requires = ["django-stubs"]  # Add tablib when typed, and update _Incomplete aliases in stubs
 

stubs/django-import-export/import_export/widgets.pyi

@@ -65,8 +65,19 @@ class ForeignKeyWidget(Widget, Generic[_ModelT]):
         self, model: _ModelT, field: str = "pk", use_natural_foreign_keys: bool = False, key_is_id: bool = False, **kwargs: Any
     ) -> None: ...
     def get_queryset(self, value: Any, row: Mapping[str, Any], *args: Any, **kwargs: Any) -> QuerySet[_ModelT]: ...
+    def get_instance_by_natural_key(self, value: str | bytes | bytearray) -> _ModelT: ...
+    def get_instance_by_lookup_fields(self, value: Any, row: Mapping[str, Any], **kwargs: Any) -> _ModelT: ...
     def get_lookup_kwargs(self, value: Any, row: Mapping[str, Any] | None = None, **kwargs: Any) -> dict[str, Any]: ...
 
+class _CachedQuerySetWrapper(Generic[_ModelT]):
+    queryset: QuerySet[_ModelT]
+    model: type[_ModelT]
+    def __init__(self, queryset: QuerySet[_ModelT]) -> None: ...
+    def get(self, **lookup_fields: Any) -> _ModelT: ...  # instance can have different fields
+
+class CachedForeignKeyWidget(ForeignKeyWidget[_ModelT]):
+    def get_instance_by_lookup_fields(self, value: Any, row: Mapping[str, Any], **kwargs: Any) -> _ModelT: ...
+
 class ManyToManyWidget(Widget, Generic[_ModelT]):
     model: _ModelT
     separator: str