clex: 4.6.patch6 -> 4.6.patch9

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

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

These checks were done:

- built on NixOS
- /nix/store/qkxwkwy5z5spp4i1s47sxa4yp5fn74ih-clex-4.6.patch9/bin/clex passed the binary check.
- Warning: no invocation of /nix/store/qkxwkwy5z5spp4i1s47sxa4yp5fn74ih-clex-4.6.patch9/bin/kbd-test had a zero exit code or showed the expected version
- Warning: no invocation of /nix/store/qkxwkwy5z5spp4i1s47sxa4yp5fn74ih-clex-4.6.patch9/bin/cfg-clex had a zero exit code or showed the expected version
- 1 of 3 passed binary check by having a zero exit code.
- 0 of 3 passed binary check by having the new version present in output.
- found 4.6.patch9 with grep in /nix/store/qkxwkwy5z5spp4i1s47sxa4yp5fn74ih-clex-4.6.patch9
- directory tree listing: https://gist.github.com/2c328494e947f31dde0f4b4e11ae16cc
- du listing: https://gist.github.com/34e5287c0403e2308608877e577ca373