groonga: 8.0.1 -> 8.0.2

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

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

These checks were done:

- built on NixOS
- ran ‘/nix/store/av4a5br78r73h7r6mlbqg3zxi9lksskq-groonga-8.0.2/bin/groonga-suggest-create-dataset -h’ got 0 exit code
- ran ‘/nix/store/av4a5br78r73h7r6mlbqg3zxi9lksskq-groonga-8.0.2/bin/groonga-suggest-create-dataset --help’ got 0 exit code
- ran ‘/nix/store/av4a5br78r73h7r6mlbqg3zxi9lksskq-groonga-8.0.2/bin/groonga -h’ got 0 exit code
- ran ‘/nix/store/av4a5br78r73h7r6mlbqg3zxi9lksskq-groonga-8.0.2/bin/groonga --help’ got 0 exit code
- ran ‘/nix/store/av4a5br78r73h7r6mlbqg3zxi9lksskq-groonga-8.0.2/bin/groonga-httpd -h’ got 0 exit code
- found 8.0.2 with grep in /nix/store/av4a5br78r73h7r6mlbqg3zxi9lksskq-groonga-8.0.2
- directory tree listing: https://gist.github.com/9a3a3eb436d26334ce117be25e74b45c