xfce.mousepad: 0.5.4 -> 0.5.5

[romildo]

Motivation for this change

• Update to version 0.5.5
• Remove unused dependences: vala, xfconf
• Add new dependence: gspell (for the new gspell plugin)
• Use the GSettings keyfile backend

Things done

• Tested using sandboxing (nix.useSandbox on NixOS, or option sandbox in nix.conf on non-NixOS linux)
• Built on platform(s)
  • NixOS
  • macOS
  • other Linux distributions
• Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
• Tested compilation of all pkgs that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review wip"
• Tested execution of all binary files (usually in ./result/bin/)
• Determined the impact on package closure size (by running nix path-info -S before and after)
• Ensured that relevant documentation is up to date
• Fits CONTRIBUTING.md.

[r-rmcgibbo]

Result of nixpkgs-review pr 122989 at 515ce02 run on x86_64-linux 1

1 package built successfully:

• xfce.mousepad

1 suggestion:

• warning: maintainers-missing

  Package does not have a maintainer. Consider adding yourself?

  Near lib/attrsets.nix:366:7:

      |
  366 |       value = f name (catAttrs name sets);
      |       ^
  

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Result of nixpkgs-review pr 122989 at 515ce02 run on aarch64-linux 1

1 package built successfully:

• xfce.mousepad