doc: add missing property "print_hooks_enabled" in function buffer_set (plugin API reference)

doc/en/weechat_plugin_api.en.txt

@@ -10102,6 +10102,9 @@ Arguments:
   highlights only, "2" = add for highlights and messages, "3" = add for all
   messages
 
+| print_hooks_enabled | "0" or "1" |
+  "0" to disable print hooks, "1" to enable them (default for a new buffer)
+
 | day_change | "0" or "1" |
   "0" to hide messages for the day change, "1" to see them
   (default for a new buffer)

doc/fr/weechat_plugin_api.fr.txt

@@ -10276,6 +10276,10 @@ Paramètres :
   hotlist, "1" = ajouter pour les highlights seulement, "2" = ajouter pour les
   highlights et les messages, "3" = ajouter pour tous les messages
 
+| print_hooks_enabled | "0" ou "1" |
+  "0" pour désactiver les hooks "print", "1" pour les activer
+  (par défaut pour un nouveau tampon)
+
 | day_change | "0" ou "1" |
   "0" pour cacher les messages de changement de jour, "1" pour les voir
   (par défaut pour un nouveau tampon)

doc/it/weechat_plugin_api.it.txt

@@ -10262,6 +10262,10 @@ Argomenti:
   "1" = aggiungere solo per gli eventi, "2" = aggiungere per eventi e
   messaggi, "3" = aggiungere per tutti i messaggi
 
+// TRANSLATION MISSING
+| print_hooks_enabled | "0" oppure "1" |
+  "0" to disable print hooks, "1" to enable them (default for a new buffer)
+
 // TRANSLATION MISSING
 | day_change | "0" oppure "1" |
   "0" to hide messages for the day change, "1" to see them