feat(action): 👷 update github action

Author: MerleLiuKun

.github/workflows/test.yaml

@@ -51,12 +51,12 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: '3.12'
+          python-version: '3.8'
       - name: Cache pip
         uses: actions/cache@v4
         with:
           path: ~/.cache/pip
-          key: lintenv-v2
+          key: lintenv-v2-38
       - name: Install dependencies
         run: python -m pip install --upgrade pip black
       - name: Black test