Drop Python 3.9 support as it was already broken

Author: bdraco

.pre-commit-config.yaml

@@ -35,7 +35,7 @@ repos:
     rev: v3.19.0
     hooks:
       - id: pyupgrade
-        args: [--py39-plus]
+        args: [--py310-plus]
 #  - repo: https://github.com/pre-commit/mirrors-mypy
 #    rev: v1.11.2
 #    hooks:

setup.py

@@ -25,7 +25,6 @@
     "Topic :: Utilities",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
@@ -45,7 +44,7 @@
     keywords=["ONVIF", "Camera", "IPC"],
     url="http://github.com/hunterjm/python-onvif-zeep-async",
     zip_safe=False,
-    python_requires=">=3.9",
+    python_requires=">=3.10",
     packages=find_packages(exclude=["docs", "examples", "tests"]),
     install_requires=requires,
     package_data={