L01ALG-1072 fix use php 7.4 docker image in cd/cd pipeline

.gitlab-ci.yml

@@ -7,7 +7,8 @@ include:
   file: php/gitlab-ci-base-php.yml
 
 # override default image php:7.2-cli
-image: harbor.containers.wurnet.nl/proxy-cache/library/php:7.4-cli
+default:
+    image: harbor.containers.wurnet.nl/proxy-cache/library/php:7.4-cli
 
 # no deploy stage
 stages: