flake.lock: Update

Flake lock file updates:

• Updated input 'firefox-addons':
    'gitlab:rycee/nur-expressions/effa5ed4a2d656d41b3731d7309cffa4d989042c?dir=pkgs/firefox-addons&narHash=sha256-aZd8TEA6bkTM0U4o0fB81fR1GTGUrL7VR4FABVFADF4%3D' (2025-01-29)
  → 'gitlab:rycee/nur-expressions/343a6fbeee2ff028f2241d22ea240ec06498e54b?dir=pkgs/firefox-addons&narHash=sha256-On4XeWQ6PMCyOnxpKVIU%2BmWDUapjp/acVdldm5e9WI8%3D' (2025-01-29)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/852ff1d9e153d8875a83602e03fdef8a63f0ecf8?narHash=sha256-Zf0hSrtzaM1DEz8//%2BXs51k/wdSajticVrATqDrfQjg%3D' (2025-01-26)
  → 'github:nixos/nixpkgs/9d3ae807ebd2981d593cddd0080856873139aa40?narHash=sha256-NGqpVVxNAHwIicXpgaVqJEJWeyqzoQJ9oc8lnK9%2BWC4%3D' (2025-01-29)
• Updated input 'nixpkgs-master':
    'github:nixos/nixpkgs/762a398892576efcc76fb233befbd58c2cef59e0?narHash=sha256-v/8yB8LIy/KsySZYN6rO/f4kCEkj%2BfTLkzR0TaNMB%2Bw%3D' (2025-01-29)
  → 'github:nixos/nixpkgs/80ddc2ca0a4ee96b330bffb4d8ec4dbf9bd16fe8?narHash=sha256-JRA4GFqpdl8RKigmc3hz8AnDsCYV2w5w0KHy35A9jqw%3D' (2025-01-29)
• Updated input 'nixpkgs-unstable':
    'github:nixos/nixpkgs/f898cbfddfab52593da301a397a17d0af801bbc3?narHash=sha256-KxmFlQ2j9PpDhKRXWu85bv3R2wmfkUqdpJhEwz9JN/E%3D' (2025-01-27)
  → 'github:nixos/nixpkgs/9a5db3142ce450045840cc8d832b13b8a2018e0c?narHash=sha256-pUvLijVGARw4u793APze3j6mU1Zwdtz7hGkGGkD87qw%3D' (2025-01-29)