fix wercker.yml (trigger-crowi-plus-docker)

install jq

wercker.yml

@@ -105,6 +105,12 @@ release: # would be run on release branch
 
 trigger-crowi-plus-docker:
   steps:
+    - script:
+      name: install jq
+      code: |
+        apt-get update
+        apt-get install -y jq
+
     - script:
       name: trigger crowi-plus-docker release pipeline
       code: sh ./bin/wercker/trigger-crowi-plus-docker.sh