nix: flake update 2026/32

[rtucek]

Version changes:

[C*]  #01  audit                                   4.1.2-unstable-2025-09-06-lib, 4.1.4, 4.1.4-bin, 4.1.4-lib, 4.1.4-man -> 4.1.2-unstable-2025-09-06-lib, 4.2.1, 4.2.1-bin, 4.2.1-lib, 4.2.1-man
[U*]  #02  bind                                    9.20.23-dnsutils x2, 9.20.23-fish-completions, 9.20.23-host, 9.20.23-lib x2, 9.20.23-man x2 -> 9.20.26-dnsutils x2, 9.20.26-fish-completions, 9.20.26-host, 9.20.26-lib x2, 9.20.26-man x2
[U*]  #03  cpupower                                7.1.5, 7.1.5_fish-completions -> 7.1.7, 7.1.7_fish-completions
[U.]  #04  gssdp                                   1.6.4 -> 1.6.6
[U.]  #05  gupnp                                   1.6.9 -> 1.6.10
[U.]  #06  imagemagick                             7.1.2-27 -> 7.1.2-29
[U.]  #07  initrd-linux                            7.1.5 -> 7.1.7
[C.]  #08  libffi                                  3.5.2, 3.7.0, 3.7.0-dev -> 3.5.2, 3.7.1, 3.7.1-dev
[U.]  #09  libssh                                  0.12.0 -> 0.12.1
[U.]  #10  linux                                   7.1.5, 7.1.5-modules x2 -> 7.1.7, 7.1.7-modules x2
[U*]  #11  nano                                    9.1, 9.1-doc, 9.1-info, 9.1-man -> 9.2, 9.2-doc, 9.2-info, 9.2-man
[U.]  #12  nixos-system-tux-ibp-amdgen9-nixos-btw  26.05.20260803.531670d -> 26.05.20260807.ee48b14
[C.]  #13  s2n-tls                                 1.7.2 x2 -> 1.7.2, 1.7.6
[U.]  #14  tpm2-tss                                4.1.3 -> 4.2.0
[U.]  #15  unbound                                 1.25.1-lib -> 1.25.2-lib
[U.]  #16  x86_energy_perf_policy                  6.18.41 -> 6.18.43