Prepare for 2.2.6 release

Author: istreeter

CHANGELOG

@@ -1,3 +1,10 @@
+Version 2.2.6 (2023-01-10)
+--------------------------
+Update copyright notice to 2023 (#279)
+Use sbt-snowplow-release to build docker images (#278)
+Bump protobuf-java to 3.21.12 (#277)
+Bump jackson to 2.14.1 (#276)
+
 Version 2.2.5 (2022-11-15)
 --------------------------
 Add STS to runtime dependencies (#275)

README.md

@@ -45,7 +45,7 @@ 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-2.2.5-blue.svg?style=flat
+[release-image]: http://img.shields.io/badge/release-2.2.6-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