Fix label render containing invalid HTML (#27752) (#27762)

Backport #27752 by @earl-warren

- The label HTML contained a quote that wasn't being closed.

Refs: https://codeberg.org/forgejo/forgejo/pulls/1651

(cherry picked from commit e2bc2c9a1f)

Co-authored-by: Earl Warren <109468362+earl-warren@users.noreply.github.com>
Co-authored-by: Gusted <postmaster@gusted.xyz>

modules/templates/util_render.go

@@ -179,7 +179,7 @@ func RenderLabel(ctx context.Context, label *issues_model.Label) template.HTML {
 
 	s := fmt.Sprintf("<span class='ui label scope-parent' title='%s'>"+
 		"<div class='ui label scope-left' style='color: %s !important; background-color: %s !important'>%s</div>"+
-		"<div class='ui label scope-right' style='color: %s !important; background-color: %s !important''>%s</div>"+
+		"<div class='ui label scope-right' style='color: %s !important; background-color: %s !important'>%s</div>"+
 		"</span>",
 		description,
 		textColor, scopeColor, scopeText,