Tag image as latest

Author: PProfizi

.github/workflows/examples_docker.yml

@@ -118,7 +118,7 @@ jobs:
           version=${ansys_version:0:2}.${ansys_version:2:1}${suffix}
           image_name=$platform-$version
           docker pull ghcr.io/ansys-dpf/dpf-standalone:$image_name
-          docker image tag $image_name $image_name:latest
+          docker image tag $image_name: $image_name:latest
           docker images
           echo "DPF_DOCKER=$image_name" >> $GITHUB_ENV