Added trigger_jenkins_build job to the pipeline.

.gitlab-ci.yml

@@ -59,15 +59,15 @@ sonarqube:
 
 trigger_jenkins_build:
   stage: trigger_jenkins_build
-  image: ubuntu:latest
+  image: alpine:latest
   variables:
     PROJECT_NAME: 'geant-service-orchestrator'
   script:
     - 'curl "https://test-swd-release-service01.geant.org/job/build-python-snapshot/buildWithParameters" \
       --user $JENKINS_USERNAME:$JENKINS_API_TOKEN \
       --data "PROJECT=${PROJECT_NAME}"'
-#  only:
-#    - develop
+  only:
+    - develop
   tags:
     - docker-executor
 #  dependencies: