Merge branch 'hotfix_gitlab_ci_file' into 'master'

Update .gitlab-ci.yml

See merge request refonte-data/documentation!10

.gitlab-ci.yml

@@ -9,7 +9,7 @@ build:
   only:
     - master
   script:
-    - docker-compose build --project-name portail-data-documentation
+    - docker-compose --project-name portail-data-documentation build --no-cache
 
 deploy:
   stage: deploy