chore: add changelog

Signed-off-by: Aaron <[email protected]>

changelog.d/1203.feature.md

@@ -0,0 +1,17 @@
+Added `namespaces` to `attr.make_class` to provide additional attributes
+for newly created class
+
+```python
+import attr
+
+@attr.define
+class A:
+  pass
+
+def new_echo(cls, *something: int) -> tuple[int, ...]:
+  return something
+
+B = attr.make_class("B", bases=(A,), namespaces={"echo": classmethod(new_echo)})
+
+B.echo(1, 2, 3)
+```

src/attr/_make.py

@@ -2894,6 +2894,7 @@ def make_class(
 
     .. versionadded:: 17.1.0 *bases*
     .. versionchanged:: 18.1.0 If *attrs* is ordered, the order is retained.
+    .. versionchanged:: 23.2.0 If *attrs* is ordered, the order is retained.
     """
     if isinstance(attrs, dict):
         cls_dict = attrs