is
This method checks if there is a newer version available for the plugin
Return
A Boolean which is true when there is a newer version available than the current version of the plugin
Parameters
git
The URI of the git repository. It should be in the format of https://yourgitinstance.com/username/yourproject. The version will be automatically fetched from the latest release (your url + "/releases/latest")
java
The instance of the plugin to check the version for. This is used to get the current version of the plugin from the plugin.yml