Prepare for 2.2.0 release

Author: istreeter

CHANGELOG

@@ -1,3 +1,10 @@
+Version 2.2.0 (2022-05-19)
+--------------------------
+Publish distroless docker image (#258)
+Bump jackson-databind to 2.12.6.1 (#260)
+Bump amazon-kinesis-client to 1.14.8 (#259)
+Split lzo serializers into a separate sbt project (#261)
+
 Version 2.1.4 (2022-02-15)
 --------------------------
 Update copyright notice to 2022 (#255)

README.md

@@ -26,14 +26,22 @@ The records are treated as byte arrays containing UTF-8 encoded strings (whether
 
 #### Docker
 
+We publish three flavours of the docker image:
+- Pull the `:2.2.0` tag if you only need GZip output format
+- Pull the `:2.2.0-lzo` tag if you also need LZO output format
+- Pull the `:2.2.0-distroless` tag for an lightweight alternative to `:2.2.0`
+
+
 ```bash
-docker run snowplow/snowplow-s3-loader:2.1.4 --help
+docker run snowplow/snowplow-s3-loader:2.2.0 --help
+docker run snowplow/snowplow-s3-loader:2.2.0-lzo --help
+docker run snowplow/snowplow-s3-loader:2.2.0-distroless --help
 ```
 
 #### Download jar
 
 ```bash
-curl -Lo snowplow-s3-loader.jar https://github.com/snowplow/snowplow-s3-loader/releases/download/2.1.4/snowplow-s3-loader-2.1.4.jar
+curl -Lo snowplow-s3-loader.jar https://github.com/snowplow/snowplow-s3-loader/releases/download/2.2.0/snowplow-s3-loader-2.2.0.jar
 java -jar snowplow-s3-loader.jar --help
 ```
 
@@ -60,7 +68,7 @@ $ sudo apt-get install lzop liblzo2-dev
 The Snowplow S3 Loader has the following command-line interface:
 
 ```
-snowplow-s3-loader: Version 2.1.4
+snowplow-s3-loader: Version 2.2.0
 
 Usage: snowplow-s3-loader [options]
 
@@ -80,7 +88,7 @@ You will need to edit all fields in the config.  Consult [the configuration refe
 Next, start the sink, making sure to specify your new config file:
 
 ```bash
-$ java -jar snowplow-s3-loader-2.1.4.jar --config my.conf
+$ java -jar snowplow-s3-loader-2.2.0.jar --config my.conf
 ```
 
 ## Find out more
@@ -106,7 +114,7 @@ limitations under the License.
 [travis-image]: https://travis-ci.org/snowplow/snowplow-s3-loader.png?branch=master
 [travis]: http://travis-ci.org/snowplow/snowplow-s3-loader
 
-[release-image]: http://img.shields.io/badge/release-2.1.4-blue.svg?style=flat
+[release-image]: http://img.shields.io/badge/release-2.2.0-blue.svg?style=flat
 [releases]: https://github.com/snowplow/snowplow-s3-loader/releases
 
 [license-image]: http://img.shields.io/badge/license-Apache--2-blue.svg?style=flat