Binary package URL has changed and break up AMAPVox::getRemoteVersions

AMAPVox project has been split into amapvox-legacy (AMAPVox v1) and current amapvox project, and moved into subfolder amapvox.

Such change broke up AMAPVox::getRemoteVersions function. It must be updated.

Gitlab Packaged can be retrieved at group level https://docs.gitlab.com/ee/api/packages.html#for-a-group