Change target version to Python 3.12 and update requirements

Updated Python version requirements and target for Black.

Author: mbi

{{cookiecutter.project_slug}}/pyproject.toml

@@ -13,7 +13,7 @@ skip_glob= "**/migrations/**"
 
 [tool.black]
 line-length = 88
-target-version = ['py311']
+target-version = ['py312']
 exclude = '''
 
 (
@@ -85,3 +85,10 @@ target-version = "py311"
 [tool.ruff.lint.mccabe]
 # Unlike Flake8, default to a complexity level of 10.
 max-complexity = 10
+
+
+[project]
+requires-python = "==3.13.*"
+name='{{cookiecutter.project_slug}}'
+version='0.1'
+