Add HTML URL to API Issues (#9654) (#9661)

* Add HTML URL to API Issues

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Swagger

Signed-off-by: jolheiser <john.olheiser@gmail.com>

Co-authored-by: Lauris BH <lauris@nix.lv>

Co-authored-by: Lauris BH <lauris@nix.lv>

modules/webhook/discord.go

@@ -236,7 +236,7 @@ func getDiscordIssuesPayload(p *api.IssuePayload, meta *DiscordMeta) (*DiscordPa
 			{
 				Title:       text,
 				Description: attachmentText,
-				URL:         p.Issue.URL,
+				URL:         p.Issue.HTMLURL,
 				Color:       color,
 				Author: DiscordEmbedAuthor{
 					Name:    p.Sender.UserName,