Allow package linking to private repository (#19348)

* Display private repos too.

* lint

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

routers/web/user/package.go

@@ -260,6 +260,7 @@ func PackageSettings(ctx *context.Context) {
 
 	repos, _, _ := models.GetUserRepositories(&models.SearchRepoOptions{
 		Actor:   pd.Owner,
+		Private: true,
 	})
 	ctx.Data["Repos"] = repos
 	ctx.Data["CanWritePackages"] = ctx.Package.AccessMode >= perm.AccessModeWrite || ctx.IsUserSiteAdmin()