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

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

These checks were done:

- built on NixOS
- ran ‘/nix/store/nckfqg5crmyrx3aazk6szii42qy7v1g3-qutebrowser-1.3.0/bin/qutebrowser -h’ got 0 exit code
- ran ‘/nix/store/nckfqg5crmyrx3aazk6szii42qy7v1g3-qutebrowser-1.3.0/bin/qutebrowser --help’ got 0 exit code
- ran ‘/nix/store/nckfqg5crmyrx3aazk6szii42qy7v1g3-qutebrowser-1.3.0/bin/..qutebrowser-wrapped-wrapped -h’ got 0 exit code
- ran ‘/nix/store/nckfqg5crmyrx3aazk6szii42qy7v1g3-qutebrowser-1.3.0/bin/..qutebrowser-wrapped-wrapped --help’ got 0 exit code
- ran ‘/nix/store/nckfqg5crmyrx3aazk6szii42qy7v1g3-qutebrowser-1.3.0/bin/.qutebrowser-wrapped -h’ got 0 exit code
- ran ‘/nix/store/nckfqg5crmyrx3aazk6szii42qy7v1g3-qutebrowser-1.3.0/bin/.qutebrowser-wrapped --help’ got 0 exit code
- found 1.3.0 with grep in /nix/store/nckfqg5crmyrx3aazk6szii42qy7v1g3-qutebrowser-1.3.0
- directory tree listing: https://gist.github.com/b9f575b232cde51598aeed723a03f7ec

qutebrowser: 1.2.1 -> 1.3.0