chore(deps): update docker/build-push-action digest to ee4ca42

Author: renovate[bot]

.github/workflows/dockerhub-publish.yml

@@ -25,7 +25,7 @@ jobs:
           images: syseleven/syseleven-exporter
 
       - name: Build and push Docker image
-        uses: docker/build-push-action@14487ce63c7a62a4a324b0bfb37086795e31c6c1
+        uses: docker/build-push-action@ee4ca427a2f43b6a16632044ca514c076267da23
         with:
           context: .
           file: ./Dockerfile