chore: py39 -> py310

Author: phi-friday

.github/workflows/check.yaml

@@ -21,7 +21,7 @@ jobs:
       UV_CACHE_DIR: /tmp/.uv-cache
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
 
     name: check ${{ matrix.python-version }}
     steps:

.github/workflows/lint.yaml

@@ -22,7 +22,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     env:
-      PYTHON_VERSION: 3.9
+      PYTHON_VERSION: 3.10
       UV_CACHE_DIR: /tmp/.uv-cache
 
     steps: