libsForQt5.kpmcore: 3.0.3 -> 3.3.0

Semi-automatic update generated by https://github.com/ryantm/nix-update tools. These checks were done:

- built on NixOS
- Warning: no binary found that responded to help or version flags. (This warning appears even if the package isn't expected to have binaries.)
- found 3.3.0 with grep in /nix/store/axq1y6dwgl8xn4da4jwnf1zxjz7n74gz-kpmcore-3.3.0
- found 3.3.0 in filename of file in /nix/store/axq1y6dwgl8xn4da4jwnf1zxjz7n74gz-kpmcore-3.3.0
- directory tree listing: https://gist.github.com/c296e20046c16727398c12f703502545