chore: stop support for python 3.9

Signed-off-by: Jan Vollmer <jan@vllmr.dev>

Author: jvllmr

.github/workflows/test.yaml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
     steps:
       - uses: actions/checkout@v5
       - name: Setup PDM

pdm.lock

@@ -4,19 +4,19 @@ description = "SQLAlchemy load option that loads only from persisted session ins
 authors = [{ name = "Jan Vollmer", email = "jan@vllmr.dev" }]
 license = { file = "LICENSE" }
 dependencies = ["sqlalchemy>=2.0.43"]
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 readme = "README.md"
 keywords = ["sqlalchemy", "session", "loader"]
 classifiers = [
   "Development Status :: 5 - Production/Stable",
   "Environment :: Plugins",
   "Intended Audience :: Developers",
   "License :: OSI Approved :: MIT License",
-  "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
+  "Programming Language :: Python :: 3.14",
   "Programming Language :: Python :: Implementation :: CPython",
   "Typing :: Typed",
 ]