* ocamlPackages.wtf8: use minimalOCamlVersion
* ocamlPackages.ppx_yojson_conv: minimalOCamlVersion
* ocamlPackages.postgresql: use minimalOCamlVersion
* ocamlPackages.opti: use minimalOCamlVersion
* ocamlPackages.opam-repository: use minimalOCamlVersion
* ocamlPackages.opam-format: use minimalOCamlVersion
* ocamlPackages.lwt-dllist: use minimalOCamlVersion
* ocamlPackages.lacaml: use minimalOCamlVersion
* ocamlPackages.gnuplot: use minimalOCamlVersion
* ocamlPackages.fix: use minimalOCamlVersion
* ocamlPackages.eigen: use minimalOCamlVersion
* ocamlPackages.earley: use minimalOCamlVersion
* ocamlPackages.directories: use minimalOCamlVersion
* ocamlPackages.cpuid: use minimalOCamlVersion
* build-support/ocaml: deprecate minimumOCamlVersion
* build-support/ocaml: deprecate minimumOCamlVersion
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Co-authored-by: Vincent Laporte <Vincent.Laporte@gmail.com>