wesnoth: 1.14.1 -> 1.14.2

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

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

These checks were done:

- built on NixOS
- /nix/store/5sh8gb3jwfb9086wiyb5sh66zx158bcc-wesnoth-1.14.2/bin/wesnoth passed the binary check.
- /nix/store/5sh8gb3jwfb9086wiyb5sh66zx158bcc-wesnoth-1.14.2/bin/wesnothd passed the binary check.
- 2 of 2 passed binary check by having a zero exit code.
- 1 of 2 passed binary check by having the new version present in output.
- found 1.14.2 with grep in /nix/store/5sh8gb3jwfb9086wiyb5sh66zx158bcc-wesnoth-1.14.2
- directory tree listing: https://gist.github.com/b0e3a41a54024956b2d7971ee078d50e
- du listing: https://gist.github.com/b92ba34a8adb15bfdc22fe1082734759