update antora for 2025.09 (neo4j#1379)

JPryce-Aklundh · JPryce-Aklundh · commit 731426c7442c · 2025-09-29T11:47:22.000+02:00
diff --git a/antora.yml b/antora.yml
@@ -6,4 +6,4 @@ nav:
 - modules/ROOT/content-nav.adoc
 asciidoc:
   attributes:
-    neo4j-version: '2025.08'
+    neo4j-version: '2025.09'
