Semi-automatic update generated by https://github.com/ryantm/nixpkgs-update tools.
This update was made based on information from https://repology.org/metapackage/webkitgtk/versions.
These checks were done:
- built on NixOS
- ran ‘/nix/store/4iba6cp8lj5v53lzk6j3djrnf790byj4-webkitgtk-2.20.1/bin/WebKitWebDriver -h’ got 0 exit code
- ran ‘/nix/store/4iba6cp8lj5v53lzk6j3djrnf790byj4-webkitgtk-2.20.1/bin/WebKitWebDriver --help’ got 0 exit code
- found 2.20.1 with grep in /nix/store/4iba6cp8lj5v53lzk6j3djrnf790byj4-webkitgtk-2.20.1
- directory tree listing: https://gist.github.com/a60788ffc43ea1bedb466120462ff111
435176a64b