librime: 1.3.0 -> 1.3.1

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

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

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 1.3.1 with grep in /nix/store/xpam0vd7m94cd2v53szc6y270l3qsp1n-librime-1.3.1
- directory tree listing: https://gist.github.com/52addb8eb8a8dc5778cc5ef320fd6b1e