feat(api): add ListMixin to ProjectIssueDiscussionNoteManager

feat(api): add ListMixin to ProjectIssueDiscussionNoteManager · python-gitlab/python-gitlab@f908f0e

Original file line number	Diff line number	Diff line change
`@@ -128,12 +128,7 @@ class ProjectIssueDiscussionNote(SaveMixin, ObjectDeleteMixin, RESTObject):`
`128`	`128`	`pass`
`129`	`129`
`130`	`130`
`131`		`-class ProjectIssueDiscussionNoteManager(`
`132`		`-GetMixin[ProjectIssueDiscussionNote],`
`133`		`-CreateMixin[ProjectIssueDiscussionNote],`
`134`		`-UpdateMixin[ProjectIssueDiscussionNote],`
`135`		`-DeleteMixin[ProjectIssueDiscussionNote],`
`136`		`-):`
	`131`	`+class ProjectIssueDiscussionNoteManager(CRUDMixin[ProjectIssueDiscussionNote]):`
`137`	`132`	`_path = (`
`138`	`133`	`"/projects/{project_id}/issues/{issue_iid}/discussions/{discussion_id}/notes"`
`139`	`134`	`)`