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/h4aballc6wsb4kj32kcjcx5x4vbax6fj-webkitgtk-2.20.2/bin/WebKitWebDriver -h’ got 0 exit code
- ran ‘/nix/store/h4aballc6wsb4kj32kcjcx5x4vbax6fj-webkitgtk-2.20.2/bin/WebKitWebDriver --help’ got 0 exit code
- found 2.20.2 with grep in /nix/store/h4aballc6wsb4kj32kcjcx5x4vbax6fj-webkitgtk-2.20.2
- directory tree listing: https://gist.github.com/e3496e2d8a6b933a107141f5caecb92d
926dc3881e