Delete python version 3.8.x from test

Author: whu-lyft

.github/workflows/pull_request.yml

@@ -5,10 +5,10 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v1
-      - name: Setup python 3.8
+      - name: Setup python 3.10
         uses: actions/setup-python@v1
         with:
-          python-version: 3.8
+          python-version: 3.10
       - name: Install pre-commit
         run: pip install pre-commit
       - name: Run pre-commit
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-22.04
     strategy:
       matrix:
-        python-version: ['3.8.x', '3.9.x', '3.10.x', '3.11.x']
+        python-version: ['3.9.x', '3.10.x', '3.11.x']
     steps:
       - name: Checkout
         uses: actions/checkout@v1