omniorb: 4.2.4 -> 4.3.0
omniorb: 4.2.4 -> 4.3.0

* omniorb: 4.2.4 -> 4.3.0 (#159693)

* omniorb: use Python 3.x
shorten meta.description
move the rest to meta.longDescription
add LGPL-2.1+ to meta.licenses (used by libs)
enable parallel building

Co-authored-by: Renaud <f099758cc17d830b28a002204cb83fc2f10a82b1@users.noreply.github.com>
NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs