mod-search - Release for Kiwi R3 2021

Purpose
Release the mod-data-export for Iris release following the procedure: https://wiki.folio.org/pages/viewpage.action?pageId=36572188

Approach -please verify if still applicable
Follow the official procedure for maven-based modules https://dev.folio.org/guidelines/release-procedures/#maven-based-modules
Also, see very helpful notes https://wiki.folio.org/display/FOLIJET/Acquisitions+-+Release+Procedures

Acceptance criteria

1. The module is released by the procedure above
2. Slack #releases channel is notified
3. "Fix Version/s" of Jira tickets are set by the release version (ask Scrum Master to create release version in Jira)