Releasing version 3.1.0

Author: aalmiray

README.adoc

@@ -5,7 +5,7 @@
 :project-name:    json-lib
 :project-group:   org.kordamp.json
 :project-artifactId: json-lib-core
-:project-version: 3.0.3
+:project-version: 3.1.0
 
 image:https://img.shields.io/github/actions/workflow/status/{project-owner}/{project-name}/early-access.yml?branch=master&logo=github&label=Build["Build Status", link="https://github.com/{project-owner}/{project-name}/actions"]
 image:https://img.shields.io/maven-central/v/{project-group}/{project-artifactId}?logo=apache%20maven[Download, link="https://search.maven.org/#search|ga|1|g:{project-group} AND a:{project-artifactId}"]

VERSION

@@ -1 +1 @@
-3.1.0-SNAPSHOT
+3.1.0