Fix standard docker images version (#3718)

Author: Gedochao

.github/scripts/publish-docker-images.sh

@@ -1,7 +1,8 @@
 #!/usr/bin/env bash
 set -eu
 
-SCALA_CLI_VERSION="$(./mill -i ci.publishVersion)"
+RAW_VERSION="$(./mill -i ci.publishVersion)"
+SCALA_CLI_VERSION="${RAW_VERSION##* }"
 
 docker tag scala-cli virtuslab/scala-cli:latest
 docker tag scala-cli virtuslab/scala-cli:"$SCALA_CLI_VERSION"