chore(ci): update Python version from 3.9 to 3.10 in sgl-kernel workflow (#8981)

.github/workflows/pr-test-sgl-kernel.yml

@@ -2,11 +2,11 @@ name: PR Test (sgl-kernel)
 
 on:
   push:
-    branches: [ main ]
+    branches: [main]
     paths:
       - "sgl-kernel/**"
   pull_request:
-    branches: [ main ]
+    branches: [main]
     paths:
       - "sgl-kernel/**"
   workflow_dispatch:
@@ -36,10 +36,10 @@ jobs:
     strategy:
       matrix:
         include:
-          - python-version: '3.9'
-            cuda-version: '12.4'
-          - python-version: '3.9'
-            cuda-version: '12.9'
+          - python-version: "3.10"
+            cuda-version: "12.4"
+          - python-version: "3.10"
+            cuda-version: "12.9"
     name: Build Wheel (CUDA ${{ matrix.cuda-version }})
     steps:
       - name: Cleanup
@@ -48,7 +48,7 @@ jobs:
 
       - uses: actions/checkout@v4
         with:
-          submodules: 'recursive'
+          submodules: "recursive"
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5