Install jq

Author: robbavey

.travis.yml

@@ -1,6 +1,8 @@
 import:
 - logstash-plugins/.ci:travis/travis.yml@1.x
 
+before_install:
+  - mkdir -p .ci && curl -sL https://github.com/logstash-plugins/.ci/archive/1.x.tar.gz | tar zxvf - --skip-old-files --strip-components=1 -C .ci --wildcards "*Dockerfile*" "*docker*" "*.sh"
+  - sudo apt-get install jq
 arch:
-  - amd64
   - arm64