chore(deps): update minimum python to 3.10 (#8984)

.github/workflows/release-pypi.yml

@@ -11,12 +11,12 @@ jobs:
   publish:
     if: github.repository == 'sgl-project/sglang'
     runs-on: ubuntu-latest
-    environment: 'prod'
+    environment: "prod"
     steps:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: '3.9'
+          python-version: "3.10"
 
       - name: Checkout repository
         uses: actions/checkout@v4