fix name of stage

.gitlab-ci.yml

@@ -7,6 +7,7 @@ stages:
   - build
   - generate
   - deploy
+  - trigger
 
 # prepare
 # ------------------------------------------------------------------------------------
@@ -151,7 +152,7 @@ deploy:vm:
 # ------------------------------------------------------------------------------------
 
 trigger:
-  stage: test-required
+  stage: trigger
   image: docker:19.03.13
   rules:
     - if: '$CI_COMMIT_BRANCH == "master" || $CI_COMMIT_BRANCH == "develop"'