Update .gitlab-ci.yml file

.gitlab-ci.yml

@@ -68,5 +68,5 @@ deploy:
   image: docker:24.0.9
   tags: ["windows","docker","ws12"]
   script:
-    - echo "$DOCKERHUB_TOKEN" | docker login -u "$DOCKERHUB_USERNAME" --password-stdin
+    - echo "$DOCKER_TOKEN" | docker login -u "$DOCKER_USERNAME" --password-stdin
     - echo "Logged into dockerhub succesfully"
\ No newline at end of file