feat: vendor gitea 1.16.2

package/gitea/source/services/webhook/slack.go

@@ -208,13 +208,13 @@ func (s slackConvertor) Push(p *api.PushPayload) (SlackPayload, error) {
 	branchLink := SlackLinkToRef(p.Repo.HTMLURL, p.Ref)
 	text := fmt.Sprintf("[%s:%s] %s pushed by %s", repoLink, branchLink, commitString, p.Pusher.UserName)
 
-	var attachmentText string
+	var attachmentText strings.Builder
 	// for each commit, generate attachment text
 	for i, commit := range p.Commits {
-		attachmentText += fmt.Sprintf("%s: %s - %s", SlackLinkFormatter(commit.URL, commit.ID[:7]), SlackShortTextFormatter(commit.Message), SlackTextFormatter(commit.Author.Name))
+		fmt.Fprintf(&attachmentText, "%s: %s - %s", SlackLinkFormatter(commit.URL, commit.ID[:7]), SlackShortTextFormatter(commit.Message), SlackTextFormatter(commit.Author.Name))
 		// add linebreak to each commit but the last
 		if i < len(p.Commits)-1 {
-			attachmentText += "\n"
+			attachmentText.WriteString("\n")
 		}
 	}
 
@@ -222,7 +222,7 @@ func (s slackConvertor) Push(p *api.PushPayload) (SlackPayload, error) {
 		Color:     s.Color,
 		Title:     p.Repo.HTMLURL,
 		TitleLink: p.Repo.HTMLURL,
-		Text:      attachmentText,
+		Text:      attachmentText.String(),
 	}}), nil
 }