v0.5 (03/08/2026)

• Upgrade to opam-file-format 2.1.1 [#6 @rjbou]
• Upgrade to cmdliner 1.1.0 (2.x compatible) [#11 @kit-ty-kate - fix #10]
• OCaml >= 4.08 is now required to build due to the cmdliner dependency