Update docker/build-push-action action to v6 (#32)

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

Author: renovate[bot]

.github/workflows/build.yml

@@ -32,7 +32,7 @@ jobs:
         with:
           images: ghcr.io/adobe/aem-dispatcher-docker
       - name: Build and push
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           platforms: linux/amd64,linux/arm64
           push: true