nix: flake update 2026/40

[rtucek]

Version changes:
[U.]  #01  brave                                   1.95.104, 1.95.104-fish-completions -> 1.96.59, 1.96.59-fish-completions
[U*]  #02  cpupower                                7.2.7, 7.2.7_fish-completions -> 7.2.8, 7.2.8_fish-completions
[U*]  #03  docker                                  29.8.0, 29.8.0-fish-completions -> 29.8.1, 29.8.1-fish-completions
[U.]  #04  docker-containerd                       29.8.0 -> 29.8.1
[U.]  #05  docker-runc                             29.8.0 -> 29.8.1
[U.]  #06  docker-tini                             29.8.0 -> 29.8.1
[C.]  #07  gcr                                     3.41.2, 4.4.0.1 -> 3.41.2, 4.4.1
[U.]  #08  gh                                      2.101.0, 2.101.0-fish-completions -> 2.102.0, 2.102.0-fish-completions
[U.]  #09  initrd-linux                            7.2.7 -> 7.2.8
[U.]  #10  k9s                                     0.50.18, 0.50.18-fish-completions -> 0.51.0, 0.51.0-fish-completions
[U.]  #11  kitty                                   0.48.2, 0.48.2-fish-completions, 0.48.2-terminfo -> 0.49.1, 0.49.1-fish-completions, 0.49.1-terminfo
[U.]  #12  linux                                   7.2.7, 7.2.7-modules x2 -> 7.2.8, 7.2.8-modules x2
[U.]  #13  moby                                    29.8.0 -> 29.8.1
[U.]  #14  nixos-system-tux-ibp-amdgen9-nixos-btw  26.05.20260925.f5c082a -> 26.05.20261002.774debe
[C.]  #15  nss                                     3.112.5, 3.128 -> 3.112.5, 3.130
[U.]  #16  ntfs3g                                  2026.7.7, 2026.7.7-fish-completions, 2026.7.7-man -> 2026.9.18, 2026.9.18-fish-completions, 2026.9.18-man
[U.]  #17  openvpn                                 2.6.21 -> 2.6.23
[U.]  #18  thunderbird                             156.0, 156.0-fish-completions -> 156.0.1, 156.0.1-fish-completions
[U.]  #19  thunderbird-unwrapped                   156.0 -> 156.0.1
[U.]  #20  webkitgtk                               2.52.6+abi=4.1 -> 2.54.0+abi=4.1
[U.]  #21  x86_energy_perf_policy                  6.18.53 -> 6.18.54
Added packages:
[A.]  #1  shader-slang  2026.18
Closure size: 2729 -> 2730 (118 paths added, 117 paths removed, delta +1, disk usage +89.2MiB).