Update dependencies (#1841)

vendor/github.com/mattermost/mattermost-server/v6/model/post_list.go

@@ -14,6 +14,8 @@ type PostList struct {
 	Posts      map[string]*Post `json:"posts"`
 	NextPostId string           `json:"next_post_id"`
 	PrevPostId string           `json:"prev_post_id"`
+	// HasNext indicates whether there are more items to be fetched or not.
+	HasNext bool `json:"has_next"`
 }
 
 func NewPostList() *PostList {
@@ -39,6 +41,7 @@ func (o *PostList) Clone() *PostList {
 		Posts:      postsCopy,
 		NextPostId: o.NextPostId,
 		PrevPostId: o.PrevPostId,
+		HasNext:    o.HasNext,
 	}
 }