resources/page: Expand parmalinks tokens in url

This change allows to use permalink tokens in url front matter fields. This should be useful to target more specific pages instead of using a global permalink configuration. It's expected to be used with cascade.

Fixes #9714

tpl/templates/templates.go

@@ -90,14 +90,14 @@ func (ns *Namespace) DoDefer(ctx context.Context, id string, optsv any) string {
 
 	id = fmt.Sprintf("%s_%s%s", id, key, tpl.HugoDeferredTemplateSuffix)
 
-	_ = ns.deps.BuildState.DeferredExecutions.Executions.GetOrCreate(id,
-		func() *tpl.DeferredExecution {
+	_, _ = ns.deps.BuildState.DeferredExecutions.Executions.GetOrCreate(id,
+		func() (*tpl.DeferredExecution, error) {
 			return &tpl.DeferredExecution{
 				TemplateName: templateName,
 				Ctx:          ctx,
 				Data:         opts.Data,
 				Executed:     false,
-			}
+			}, nil
 		})
 
 	return id