chore(deps): update docker/build-push-action action to v6 (#66)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/build-image.yaml

@@ -42,7 +42,7 @@ jobs:
         uses: docker/setup-buildx-action@v3
 
       - name: Build and push Docker image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           push: ${{ github.event_name == 'push' }}