Fixes #67898, hopefully.

Ensures compatibility with OCaml 4.08.

Fix broken builds for rgdal and sf R packages

Builds were failing to include PROJ, depending on proj.dev
appears to fix it.

Fix typo in customisation.nix

grafana: 6.3.4 -> 6.3.5

pythonPackages.flask: 1.0.3 -> 1.0.4

nixos: remove dependencies on local-fs.target

lib: Further clean up systems list

pythonPackages.pytest-random-order: init at 1.0.4

Add support for `js-unknown-ghcjs`

This adds enough logic to nixpkgs to support the `js-unknown-ghcjs` triple.

freecad: fix missing app icon and name when running under Wayland

pythonPackages.phonenumbers: 8.10.16 -> 8.10.17

clightning: 0.7.1 -> 0.7.2.1

Add onboard to Pantheon

It's used as an on-screen keyboard.
Hopefully in future they can ship their native app [0]

[0]: https://github.com/elementary/keyboard

* workaround #56943
* fix xdg autostart installed to site-packages
* delete ubuntu icons

* As mentioned in https://github.com/NixOS/nixpkgs/issues/67492
the build was broken after an update of openssl versions.

* Fixes a flake8 unit-test case that requires a flake8 config
which is not shipped with the distribution.

* Fixes build on darwin.

sd-image: don't use installer.cloneConfig option that is not imported

Harmonize Gnome3 Defaults