Change copyright: 2025 to copyright: 2026 (#148) (#149)

Author: renetapopova

preview.yml

@@ -43,7 +43,7 @@ asciidoc:
     includePDF: false
     nonhtmloutput: ""
     experimental: ''
-    copyright: 2025
+    copyright: 2026
     common-license-page-uri: https://neo4j.com/docs/license/
     partials: ROOT:partial$@
     # attributes for doc links to other manuals in preview playbook