docker-upload: push also as latest

Change-Id: I4db6e8ead519104a9c162158550e6386d57ee022
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index afc38a6..fb01be6 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -150,6 +150,7 @@
     - unxz -c derekovecs.tar.xz | docker load
     - echo "$DOCKER_HUB_PASSWORD" | docker login -u "$DOCKER_HUB_USERNAME" --password-stdin
     - docker push idscorpuslinguistics/derekovecs:$VID
+    - docker push idscorpuslinguistics/derekovecs
   dependencies:
     - build-docker
   environment: