Flake update

[github-actions]

Diffs:

Changes for appaquet@servapp home:
<<< result-before
>>> result-after
Version changes:
[U.]  #1  aichat  0.26.0 -> 0.27.0
Closure size: 914 -> 914 (10 paths added, 10 paths removed, delta +0, disk usage +127.0KiB).
 ------------------Changes for appaquet@mbpapp home:
<<< result-before
>>> result-after
Version changes:
[U.]  #1  aichat  0.26.0 -> 0.27.0
Closure size: 792 -> 792 (13 paths added, 13 paths removed, delta +0, disk usage +84.0KiB).
 ------------------Changes for appaquet@deskapp home:
<<< result-before
>>> result-after
Version changes:
[U.]  #1  aichat  0.26.0 -> 0.27.0
Closure size: 965 -> 965 (10 paths added, 10 paths removed, delta +0, disk usage +127.0KiB).
 ------------------Changes for appaquet@servapp nixos:
<<< result-before
>>> result-after
Version changes:
[U.]  #1  initrd-linux          6.6.74 -> 6.6.75
[U.]  #2  linux                 6.6.74, 6.6.74-modules, 6.6.74-modules-shrunk -> 6.6.75, 6.6.75-modules, 6.6.75-modules-shrunk
[U.]  #3  nixos-system-servapp  24.11.20250201.f668777 -> 24.11.20250204.030ba19
[U*]  #4  perf-linux            6.6.74, 6.6.74_fish-completions -> 6.6.75, 6.6.75_fish-completions
Closure size: 1691 -> 1691 (35 paths added, 35 paths removed, delta +0, disk usage +11.4KiB).
 ------------------```