Update docker/build-push-action digest to 8c1e8f8

Author: renovate[bot]

.github/workflows/publish_docker.yml

@@ -34,7 +34,7 @@ jobs:
           tags: |
             type=ref,event=branch
       - name: Build and push Docker image
-        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
+        uses: docker/build-push-action@8c1e8f8e5bf845ba3773a14f3967965548a2341e
         with:
           context: .
           file: Dockerfile