Update to 2025.09 (#298)

Author: NataliaIvakina

antora.yml

@@ -1,14 +1,14 @@
 name: java-reference
 title: Java Reference
-version: '2025.08'
+version: '2025.09'
 start_page: ROOT:index.adoc
 nav:
 - modules/ROOT/content-nav.adoc
 asciidoc:
   attributes:
-    neo4j-version: '2025.08'
-    neo4j-version-exact: '2025.08.0'
-    neo4j-buildnumber: '2025.08'
+    neo4j-version: '2025.09'
+    neo4j-version-exact: '2025.09.0'
+    neo4j-buildnumber: '2025.09'
     java-driver-version: '5.28.9'
     neo4j-documentation-branch: 'dev'
     page-origin-private: false