Update python version for ci

Author: 杨赫然

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
           fetch-depth: 1
       - uses: actions/setup-python@v1
         with:
-          python-version: "3.8"
+          python-version: "3.12"
       - name: install dependencies and test
         run: |
           cd $GITHUB_WORKSPACE