Case C-671/21, ‘Gargždų geležinkelis’: Judgment of the Court (First Chamber) of 28 September 2023 (request for a preliminary ruling from the Lietuvos vyriausiasis administracinis teismas — Lithuania) — ‘Gargždų geležinkelis’ UAB (Reference for a preliminary ruling — Single European railway area — Directive 2012/34/EU — Allocation of railway infrastructure capacity — Article 45 — Scheduling — Article 46 — Coordination process — Article 47 — Congested infrastructure — Prioritisation of specific services — Priority criteria — National legislation providing for priority rules linked to the intensity of the use of the infrastructure)