update pipeline to resolve https://github.blog/changelog/2023-09-22-g…

…ithub-actions-transitioning-from-node-16-to-node-20/

.github/workflows/index.yml

@@ -10,8 +10,8 @@ jobs:
     build: 
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v3
-            - uses: actions/setup-python@v4
+            - uses: actions/checkout@v4
+            - uses: actions/setup-python@v5
               with:
                   python-version: '3.x'
 
@@ -31,7 +31,7 @@ jobs:
                 git diff-index --quiet HEAD || git commit -a -m "Update index" --allow-empty
 
             - name: Push changes
-              uses: ad-m/github-push-action@v0.6.0
+              uses: ad-m/github-push-action@master
               with:
                 github_token: ${{ secrets.GITHUB_TOKEN }}
                 branch: main