✅ ci: 更新 Python 版本矩阵至 3.9, 3.10 和 3.11

Author: Cvandia

.github/workflows/python-app.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10"]
+        python-version: ["3.9", "3.10", "3.11"]
 
     steps:
     - uses: actions/checkout@v3