replaced first pull with fetch in ci

.gitlab-ci.yml

@@ -148,7 +148,7 @@ lint-front:
       ssh "eatfast@$DOMAIN"
       "cd /var/www/eatfast-website/backend &&
       git stash &&
-      git pull &&
+      git fetch &&
       git checkout "$CI_COMMIT_BRANCH" &&
       git stash &&
       git pull &&