Added trigger_jenkins_build job to the pipeline.

.gitlab-ci.yml

 ---
 stages:
-  - tox
-  - documentation
-  - sonarqube
+#  - tox
+#  - documentation
+#  - sonarqube
   - trigger_jenkins_build
 include:
   - docs/.gitlab-ci.yml
@@ -60,6 +60,8 @@ sonarqube:
 trigger_jenkins_build:
   stage: trigger_jenkins_build
   image: alpine:latest
+  before_script:
+    - apk add --no-cache curl jq
   variables:
     PROJECT_NAME: 'geant-service-orchestrator'
   script:
@@ -70,7 +72,3 @@ trigger_jenkins_build:
 #    - develop
   tags:
     - docker-executor
-#  dependencies:
-#    - run-tox-pipeline
-#    - documentation
-#    - sonarqube