No new functionality. Maintenance release

Update build version to gradle 7
Update kotlin to version 1.4
Update build and examples to use mavenCentral and GitHub Maven

Update version

This version moves the gsql_client to 2.6.0

Add gsqlToken, and gsqlDeleteToken tasks

Updates default gsql_client to version 2.5.2

Adds features to support the gsql client options

These features include the following:
 * --cacert
 * --logdir
 * --graphstudio

Version 1.3.1

This release moves the default version of the gsql client to 2.5.0. This
version of the client is backwards compatible with prior versions.

v1.3.0

Implement token retrieval from Tigergraph
Change default gsql_client from 2.3.2.1 to 2.4.0
Launch documentation site

Add new features:

CLI Support for super-user
scriptCommand
graphName default for tasks and dsl

Update plugin version to be a variable