Case C-278/83, Biltena: Order of the Court (Seventh Chamber) of 8 January 2024 (request for a preliminary ruling from the Corte suprema di cassazione — Italy) — M.M., acting as successor in title to M.R. v Ministero della Difesa (Reference for a preliminary ruling — Article 99 of the Rules of Procedure of the Court of Justice — Directive 1999/70/EC — Framework agreement on fixed-term work concluded by ETUC, UNICE and CEEP — Clause 5 — Fixed-term employment contracts in the public sector — Successive contracts — Prohibition on converting fixed-term contracts to open-ended contracts — Teaching non-military subjects in military schools)