altcoins.parity-ui: 0.2.1 -> 0.2.5 (#41533)

Semi-automatic update generated by https://github.com/ryantm/nixpkgs-update tools.

This update was made based on information from https://repology.org/metapackage/parity-ui/versions.

These checks were done:

- built on NixOS
- Warning: no invocation of /nix/store/2aph1kzcjppfld8ynp0ks7r4w6ghh1ir-parity-ui-0.2.5/bin/parity-ui had a zero exit code or showed the expected version
- 0 of 1 passed binary check by having a zero exit code.
- 0 of 1 passed binary check by having the new version present in output.
- found 0.2.5 with grep in /nix/store/2aph1kzcjppfld8ynp0ks7r4w6ghh1ir-parity-ui-0.2.5
- directory tree listing: https://gist.github.com/c69e2d05d926decf9c0435e7ed94fab9
- du listing: https://gist.github.com/8a81380e0a3c16f2804599e811b3c336