Update Docker login action

Author: domenic

.github/workflows/build.yml

@@ -35,7 +35,7 @@ jobs:
         bash ci-build/docker-run.sh "$GITHUB_WORKSPACE/html" output
     - name: Docker login
       if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
-      uses: docker/login-action@v1
+      uses: docker/login-action@v2
       with:
         username: ${{ secrets.DOCKER_HUB_USERNAME }}
         password: ${{ secrets.DOCKER_HUB_TOKEN }}