build: not compatible with ocaml 4.05 (because of List.init)

lustre-v6.opam

@@ -17,7 +17,7 @@ homepage: "https://www-verimag.imag.fr/DIST-TOOLS/SYNCHRONE/lustre-v6"
 bug-reports:
   "https://gricad-gitlab.univ-grenoble-alpes.fr/verimag/synchrone/lustre-v6/issues"
 depends: [
-  "ocaml" {>= "4.05"}
+  "ocaml" {> "4.05"}
   "base-unix"
   "extlib" {build} | "extlib-compat" {build}
   "dune" {>= "2.0"}