Drop python 3.9 and 3.10, add python 3.12

.github/workflows/linting.yaml

@@ -8,7 +8,7 @@ on:
   workflow_dispatch:
 
 env:
-  DEFAULT_PYTHON: "3.9"
+  DEFAULT_PYTHON: "3.11"
 
 jobs:
   codespell:

.github/workflows/release.yaml

@@ -9,7 +9,7 @@ on:
       - published
 
 env:
-  DEFAULT_PYTHON: "3.9"
+  DEFAULT_PYTHON: "3.11"
 
 jobs:
   release:

.github/workflows/tests.yaml

@@ -8,15 +8,15 @@ on:
   workflow_dispatch:
 
 env:
-  DEFAULT_PYTHON: "3.9"
+  DEFAULT_PYTHON: "3.11"
 
 jobs:
   pytest:
     name: Python ${{ matrix.python }}
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python: ["3.9", "3.10", "3.11"]
+        python: ["3.11", "3.12"]
     steps:
       - name: ⤵️ Check out code from GitHub
         uses: actions/[email protected]

.github/workflows/typing.yaml

@@ -8,7 +8,7 @@ on:
   workflow_dispatch:
 
 env:
-  DEFAULT_PYTHON: "3.9"
+  DEFAULT_PYTHON: "3.11"
 
 jobs:
   mypy:

README.md

@@ -45,6 +45,7 @@ import asyncio
 
 from gridnet import GridNet
 
+
 async def main():
     """Show example on getting data from your device."""
     async with GridNet(
@@ -55,6 +56,7 @@ async def main():
         print(device)
         print(smartbridge)
 
+
 if __name__ == "__main__":
     asyncio.run(main())
 ```
@@ -103,7 +105,7 @@ providing comprehensive management and control over project dependencies.
 
 You need at least:
 
-- Python 3.9+
+- Python 3.11+
 - [Poetry][poetry-install]
 
 Install all packages, including all development requirements:

pyproject.toml

@@ -16,9 +16,8 @@ classifiers = [
   "Intended Audience :: Developers",
   "License :: OSI Approved :: MIT License",
   "Natural Language :: English",
-  "Programming Language :: Python :: 3.9",
-  "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3",
   "Topic :: Software Development :: Libraries :: Python Modules",
 ]
@@ -28,7 +27,7 @@ packages = [
 
 [tool.poetry.dependencies]
 aiohttp = ">=3.0.0"
-python = "^3.9"
+python = "^3.11"
 yarl = ">=1.6.0"
 
 [tool.poetry.urls]
@@ -65,7 +64,7 @@ show_missing = true
 # free to run mypy on Windows, Linux, or macOS and get consistent
 # results.
 platform = "linux"
-python_version = "3.9"
+python_version = "3.11"
 
 # flake8-mypy expects the two following for sensible formatting
 show_column_numbers = true