fix deprecated CI variable

.gitlab-ci.yml

@@ -8,10 +8,10 @@ stages:
 build:
   stage: build
   script:
-    - docker login -u gitlab-ci-token -p "$CI_BUILD_TOKEN" registry-gitlab.pasteur.fr
-    - docker build --pull -t "$CI_REGISTRY_IMAGE:$CI_BUILD_REF_NAME" .
-    - docker push "$CI_REGISTRY_IMAGE:$CI_BUILD_REF_NAME"
-    - docker tag "$CI_REGISTRY_IMAGE:$CI_BUILD_REF_NAME" "$CI_REGISTRY_IMAGE:$CI_COMMIT_SHORT_SHA"
+    - docker login -u gitlab-ci-token -p "$CI_JOB_TOKEN" registry-gitlab.pasteur.fr
+    - docker build --pull -t "$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME" .
+    - docker push "$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME"
+    - docker tag "$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME" "$CI_REGISTRY_IMAGE:$CI_COMMIT_SHORT_SHA"
     - docker push "$CI_REGISTRY_IMAGE:$CI_COMMIT_SHORT_SHA"
     - docker tag  "$CI_REGISTRY_IMAGE:$CI_COMMIT_SHORT_SHA"  "$CI_REGISTRY_IMAGE:latest"
     - docker push "$CI_REGISTRY_IMAGE:latest"