fix the Dockerfile.gccgo for new dependency

Signed-off-by: Srini Brahmaroutu <srbrahma@us.ibm.com>

Dockerfile.gccgo

@@ -17,6 +17,7 @@ RUN apt-get update && apt-get install -y \
 	curl \
 	git \
 	iptables \
+	jq \
 	net-tools \
 	libapparmor-dev \
 	libcap-dev \