devel/gnatcoll-bindings*: New Port, GNATColl Bindings

A set of Ada libraries related to the GNATColl reusable components,
providing interfaces to other languages, system services, or other
libraries.

Supported languages: C++ and Python-3
Supported libraries: iconv, lzma, OpenMP, readline, syslog, and zlib

https://github.com/AdaCore/gnatcoll-bindings

PR: 296499