when the parent interface of a vlan interface is not up (yet), ip link cannot bring the vlan interface up
the vlan interface will be automatically brought up when the parent interface is up later
fix NixOS/nixpkgs#28620

First change is to override the nm-dispatcher systemd service so that
it puts coreutils (wc/env/...) and iproute in PATH.
Second change is to make sure userscripts have the execute bit.

Semi-automatic update generated by
https://github.com/ryantm/nixpkgs-update tools. This update was made
based on information from
https://repology.org/metapackage/vulkan-tools/versions.

Semi-automatic update generated by
https://github.com/ryantm/nixpkgs-update tools. This update was made
based on information from
https://repology.org/metapackage/vulkan-headers/versions.

fixup from NixOS/nixpkgs#45820

/cc @Ericson2314

The switch to lightdm as default display manager in #30890
broke eval of the flatpak test. Since the test uses the
auto display manager (lightdm), gdm must now be explicitly disabled.

packet: v20161215 -> v2.2.2

fix vlan interface bring up on boot

vulkan: 1.1.77.0 -> 1.1.82.1

androidndk: fix eval

[RDY] networkmanager: enrich dispatcher PATH