docs(docker): RELEASE tweak

Author: thewtex

src/docker/RELEASE.md

@@ -4,7 +4,8 @@ Verify the source tree.
 
 ```
 # Remove all old podman images
-podman rmi $(podman images -qa) -f && podman rmi $(podman images -qa) -f
+podman rmi $(podman images -qa) -f
+podman rmi $(podman images -qa) -f
 pixi run build-docker-images --with-debug --multiarch
 
 # DockerHub credential environmental variables must be set