cups: Rename "browsing" config option to "advertise"

nixos/doc/manual/release-notes/rl-unstable.xml

···
   <para>
 	Local printers are no longer shared or advertised by default. This behavior
 	can be changed by enabling <literal>services.printing.defaultShared</literal>
-	or <literal>services.printing.browsing</literal> respectively.
+	or <literal>services.printing.advertise</literal> respectively.
   </para>
 </listitem>
 

nixos/modules/services/printing/cupsd.nix

···
         '';
       };
 
-      browsing = mkOption {
+      advertise = mkOption {
         type = types.bool;
         default = false;
         description = ''
···
 
         DefaultShared ${if cfg.defaultShared then "Yes" else "No"}
 
-        Browsing ${if cfg.browsing then "Yes" else "No"}
+        Browsing ${if cfg.advertise then "Yes" else "No"}
 
         WebInterface ${if cfg.webInterface then "Yes" else "No"}