Update dataset to one exported under neo4j 5.26 (#1321)

Author: stefano-ottolenghi

modules/ROOT/pages/indexes/semantic-indexes/vector-indexes.adoc

@@ -1,6 +1,6 @@
 :description: Information about creating, querying, and deleting vector indexes with Cypher.
 :page-role: new-5.13
-:test-setup-dump: https://github.com/neo4j-graph-examples/recommendations/raw/main/data/recommendations-embeddings-50.dump
+:test-setup-dump: https://github.com/neo4j-graph-examples/recommendations/raw/main/data/recommendations-embeddings-aligned-5.26.dump
 :l2-norm: image:l2.svg["l2"]-norm
 include::https://raw.githubusercontent.com/neo4j-graphacademy/courses/main/asciidoc/courses/llm-vectors-unstructured/ad.adoc[]