libdrm: 2.4.91 -> 2.4.92

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

This update was made based on information from https://repology.org/metapackage/libdrm/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 2.4.92 with grep in /nix/store/9n9nnxcq129pwmynmbpsb2h86w6aafkr-libdrm-2.4.92
- directory tree listing: https://gist.github.com/f9b660cd3c8012a94adf29b9d2931d70