openpgl: 0.5.0 -> 0.6.0

[afh]

Diff: RenderKit/openpgl@v0.5.0...v0.6.0

ChangeLog: https://github.com/OpenPathGuidingLibrary/openpgl/releases/tag/v0.6.0

Closes #287715

Description of changes

• Removes superfluous use of pname (see Tracking issue: superfluous use of pname #277994)
• Change platforms to unix as latest version was successfully built on aarch64-darwin

Things done

• Built on platform(s)
  • x86_64-linux
  • aarch64-linux
  • x86_64-darwin
  • aarch64-darwin
• For non-Linux: Is sandboxing enabled in nix.conf? (See Nix manual)
  • sandbox = relaxed
  • sandbox = true
• Tested, as applicable:
  • NixOS test(s) (look inside nixos/tests)
  • and/or package tests
  • or, for functions and "core" functionality, tests in lib/tests or pkgs/test
  • made sure NixOS tests are linked to the relevant packages
• Tested compilation of all packages that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review rev HEAD". Note: all changes have to be committed, also see nixpkgs-review usage
• Tested basic functionality of all binary files (usually in ./result/bin/)
• 24.05 Release Notes (or backporting 23.05 and 23.11 Release notes)
  • (Package updates) Added a release notes entry if the change is major or breaking
  • (Module updates) Added a release notes entry if the change is significant
  • (Module addition) Added a release notes entry if adding a new NixOS module
• Fits CONTRIBUTING.md.

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[afh]

Converting to draft PR as version 0.6.0 has breaking changes and more refactoring of the package to provide previous versions may be necessary.

[wegank]

Done in #347179.