Bump version to 2.2.0

Author: Romain GÉRARD

build.gradle

@@ -1,5 +1,5 @@
 group 'com.criteo.nosql'
-version '2.1.0'
+version '2.2.0'
 
 apply plugin: 'java'
 apply plugin: 'com.github.johnrengelman.shadow'

docker/Dockerfile

@@ -1,7 +1,7 @@
 FROM openjdk:11-jre-slim-sid
 
-ARG EXPORTER_VERSION=2.1.0
-ARG EXPORTER_SHA512=560612fdcc312df299474a3d8b08c38dc476012f97396c85568438df1f2d2d341833c887d6d5930d44cbdca4459c7cac71d6dea77e71c2caa485aecb04231268
+ARG EXPORTER_VERSION=2.2.0
+ARG EXPORTER_SHA512=071139ab686fe98bb940c41485d6ce25b50781e0c4795fc9d006d6d5081f398c6c17a9cebf11d17c5f03873ad915252278149787da794b42d85082d0ba6c69a4
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
 		netcat \