CI: correction de style dans le .gitlab-ci.yml.

.gitlab-ci.yml

@@ -18,17 +18,14 @@ vendor:
   <<: *php
   stage: vendor
   dependencies: []
-  script:
-    - composer install --no-suggest --no-progress
+  script: composer install --no-suggest --no-progress
   artifacts:
     name: "$CI_JOB_NAME"
-    paths:
-      - vendor
+    paths: [ vendor ]
     expire_in: 4 hours
   cache:
     key: "$CI_BUILD_REF_NAME-composer"
-    paths:
-      - "$COMPOSER_CACHE_DIR"
+    paths: [ "$COMPOSER_CACHE_DIR" ]
 
 .php-test: &php-test
   <<: *php