Update .gitlab-ci.yml

.gitlab-ci.yml

@@ -1,4 +1,5 @@
 build_branch:
+    cache: {}
     image: docker.infra.flowdat.com/fd3/sf-php:latest
     script:
       - chmod 0600 keys/*
@@ -39,6 +40,7 @@ variables:
   HOST_RADIUS: radius.test.fd3.flowdat.com
   HOST_STATS: stats.test.fd3.flowdat.com
   HOST_DUMMY: "http://www.flowdat.com/"
+  GIT_STRATEGY: clone
 
 docker:
   stage: build