Groups: add support for custom attributes

fix: add missing attribute `resolved_at` to `Note` class

add support for PackageFilter in PackagesApi

 Add ability to read resource state events for Issues

Add support for ci_config_path and ci_forward_deployment_enabled properties to Projects API

Support larger file sizes by expanding the size type to a Long.

Add 'runners_token' attribute to group model.

Fix #769

based on docs https://docs.gitlab.com/ee/api/packages.html and inspired by GroupProjectsFilter

Fix delete discussion API

Add the bot flag to the User class

Fix #744 Added missing name attribute to Badges class

fix: added missing boolean

Added missing name attribute to Badges class. Also aligned indent of Badges class with rest of api.model package

https://docs.gitlab.com/ee/api/discussions.html#delete-a-merge-request-thread-note

Add ability to read resource state events for Issues

added squashOption to Project

Updating System Hook tests with commentary

Ensuring test SystemHooks are removed if tests fail, adding commentary/todo to address GitLab issue at future date

Fix #645 : Add pipeline_id in POST CommitStatus