publishing 4.0 (#28)

Author: lidiazuin

publish.yml

@@ -25,7 +25,7 @@ urls:
 antora:
   extensions:
   - require: "@neo4j-antora/antora-modify-sitemaps"
-    sitemap_version: '3.0'
+    sitemap_version: '4.0'
     sitemap_loc_version: 'current'
     move_sitemaps_to_components: true