update Python and Docker build actions to latest versions

Author: rongxin-liu

.github/workflows/main.yml

@@ -15,12 +15,12 @@ jobs:
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
-          python-version: "3.13"
+          python-version: "3.14"
 
       - name: Build for linux/amd64
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           build-args: |
             VCS_REF=${{ github.sha }}
@@ -60,12 +60,12 @@ jobs:
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
-          python-version: "3.13"
+          python-version: "3.14"
 
       - name: Build for linux/arm64
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           build-args: |
             VCS_REF=${{ github.sha }}