dbus: 1.10.24 -> 1.12.6

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

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

These checks were done:

- built on NixOS
- ran ‘/nix/store/2fb87ah2lsvnzlah1mkdiwsrv8p01yh6-dbus-1.12.6/bin/dbus-monitor --help’ got 0 exit code
- ran ‘/nix/store/2fb87ah2lsvnzlah1mkdiwsrv8p01yh6-dbus-1.12.6/bin/dbus-cleanup-sockets -h’ got 0 exit code
- ran ‘/nix/store/2fb87ah2lsvnzlah1mkdiwsrv8p01yh6-dbus-1.12.6/bin/dbus-cleanup-sockets --help’ got 0 exit code
- ran ‘/nix/store/2fb87ah2lsvnzlah1mkdiwsrv8p01yh6-dbus-1.12.6/bin/dbus-cleanup-sockets help’ got 0 exit code
- ran ‘/nix/store/2fb87ah2lsvnzlah1mkdiwsrv8p01yh6-dbus-1.12.6/bin/dbus-run-session -h’ got 0 exit code
- ran ‘/nix/store/2fb87ah2lsvnzlah1mkdiwsrv8p01yh6-dbus-1.12.6/bin/dbus-run-session --help’ got 0 exit code
- ran ‘/nix/store/2fb87ah2lsvnzlah1mkdiwsrv8p01yh6-dbus-1.12.6/bin/dbus-uuidgen --help’ got 0 exit code
- ran ‘/nix/store/2fb87ah2lsvnzlah1mkdiwsrv8p01yh6-dbus-1.12.6/bin/dbus-launch -h’ got 0 exit code
- ran ‘/nix/store/2fb87ah2lsvnzlah1mkdiwsrv8p01yh6-dbus-1.12.6/bin/dbus-launch --help’ got 0 exit code
- found 1.12.6 with grep in /nix/store/2fb87ah2lsvnzlah1mkdiwsrv8p01yh6-dbus-1.12.6
- directory tree listing: https://gist.github.com/f7926c86c6572ac1a02dab3468dbbb95