nixos/polkit: Add package option

[Artturin]

For reviewers https://wiki.nixos.org/wiki/Nixpkgs/Reviewing_changes#Modules

security.polkit.package = pkgs.polkit.overrideAttrs (oldAttrs: {
  patches = oldAttrs.patches ++ [
    (pkgs.fetchpatch {
      url = "https://gitlab.freedesktop.org/polkit/polkit/-/commit/716a273ce0af467968057f3e107156182bd290b0.patch";
      sha256 = "sha256-hOJJhUmxXm87W1ZU9Y1NJ8GCyKvPjbIVtCHlhRGlN8k=";
    })
  ];
});

Overlaying polkit results in a lot of rebuilds thus it makes sense to add a package option.

Assists in using the patch needed to fix #18012

Description of changes

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/)
• 24.11 Release Notes (or backporting 23.11 and 24.05 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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[github-actions]

Successfully created backport PR for release-24.05:

• [Backport release-24.05] nixos/polkit: Add package option #322607

[Atemu]

Haha, I was trying out this patch the other day and thought to myself that having a package option would have been helpful, thanks :)