Prepare for release 23.3.1 (#359)

Author: AlexWaygood

CHANGELOG.md

@@ -1,6 +1,6 @@
 # Change Log
 
-## Unreleased
+## 23.1.1
 
 New error codes:
 * Y053: Disallow string or bytes literals with length >50 characters.

pyi.py

@@ -39,7 +39,7 @@ def unparse(node: ast.AST) -> str:
     # and mypy thinks typing_extensions is part of the stdlib.
     from typing_extensions import Literal, TypeAlias, TypeGuard
 
-__version__ = "23.3.0"
+__version__ = "23.3.1"
 
 LOG = logging.getLogger("flake8.pyi")
 FLAKE8_MAJOR_VERSION = flake8.__version_info__[0]
@@ -720,7 +720,7 @@ def _analyse_union(members: Sequence[ast.expr]) -> UnionAnalysis:
 
 
 def _is_valid_default_value_with_annotation(
-    node: ast.expr, allow_containers=True
+    node: ast.expr, *, allow_containers: bool = True
 ) -> bool:
     """Is `node` valid as a default value for a function or method parameter in a stub?