fix(gitlab-ci) use the 1.3 branch of the sniffer rules for 1.3

its - branches not branch :/

Signed-off-by: Benoit Mortier <benoit.mortier@opensides.be>

.gitlab-ci.yml

@@ -78,7 +78,7 @@ create_perlcritic_rapport:
 create_php_code_sniffer_rapport_13:
   stage: codestyle
   only:
-    - branch
+    - branches
   before_script:
     - apt-get update -qq
     - apt-get install -y -qq  git php-cli php-codesniffer