Clarify version for parquet header support. (neo4j#2489)

Unsure if this should be inline with the header or appear after the
header.
Searched the repository for comparable situations but haven't found any.
Both looks ... both have their pros and cons ;)

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Co-authored-by: Reneta Popova <[email protected]>

Author: meistermeier

modules/ROOT/pages/import.adoc

@@ -1136,6 +1136,7 @@ For example, you can use `uuid:ID(Person){label:Person}`, where the relationship
 * For examples of creating property uniqueness constraints, see link:{neo4j-docs-base-uri}/cypher-manual/current/constraints/managing-constraints/#create-property-uniqueness-constraints[Cypher Manual -> Create property uniqueness constraints].
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+[role=label--new-2025.04]
 === Extended header support for Parquet
 
 In addition to the header format supported by the CSV import, the Parquet import supports name-mapping header files.