release version 3.1.1

Author: davidism

CHANGES.rst

@@ -1,7 +1,7 @@
 Version 3.1.1
 -------------
 
-Unreleased
+Released 2023-09-11
 
 -   Deprecate the ``__version__`` attribute. Use feature detection, or
     ``importlib.metadata.version("flask-sqlalchemy")``, instead. :issue:`5230`

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "Flask-SQLAlchemy"
-version = "3.1.1.dev"
+version = "3.1.1"
 description = "Add SQLAlchemy support to your Flask application."
 readme = "README.rst"
 license = { file = "LICENSE.rst" }