flake.lock: Update

Flake lock file updates:

• Updated input 'flake-parts':
    'github:hercules-ci/flake-parts/af510d4a62d071ea13925ce41c95e3dec816c01d?narHash=sha256-ODYRm8zHfLTH3soTFWE452ydPYz2iTvr9T8ftDMUQ3E%3D' (2024-08-30)
  → 'github:hercules-ci/flake-parts/567b938d64d4b4112ee253b9274472dc3a346eb6?narHash=sha256-%2Bebgonl3NbiKD2UD0x4BszCZQ6sTfL4xioaM49o5B3Y%3D' (2024-09-01)
• Updated input 'home-manager':
    'github:nix-community/home-manager/c2cd2a52e02f1dfa1c88f95abeb89298d46023be?narHash=sha256-UNky3lJNGQtUEXT2OY8gMxejakSWPTfWKvpFkpFlAfM%3D' (2024-08-23)
  → 'github:nix-community/home-manager/471e3eb0a114265bcd62d11d58ba8d3421ee68eb?narHash=sha256-fzssXuGR/mCeGbzM1ExaTqDz7QDGta3WA4jJsZyRruo%3D' (2024-09-01)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/71e91c409d1e654808b2621f28a327acfdad8dc2?narHash=sha256-GnR7/ibgIH1vhoy8cYdmXE6iyZqKqFxQSVkFgosBh6w%3D' (2024-08-28)
  → 'github:nixos/nixpkgs/12228ff1752d7b7624a54e9c1af4b222b3c1073b?narHash=sha256-Ym04C5%2BqovuQDYL/rKWSR%2BWESseQBbNAe5DsXNx5trY%3D' (2024-08-31)
• Updated input 'nixpkgs-unstable':
    'github:nixos/nixpkgs/71e91c409d1e654808b2621f28a327acfdad8dc2?narHash=sha256-GnR7/ibgIH1vhoy8cYdmXE6iyZqKqFxQSVkFgosBh6w%3D' (2024-08-28)
  → 'github:nixos/nixpkgs/12228ff1752d7b7624a54e9c1af4b222b3c1073b?narHash=sha256-Ym04C5%2BqovuQDYL/rKWSR%2BWESseQBbNAe5DsXNx5trY%3D' (2024-08-31)
• Updated input 'spicetify-nix':
    'github:Gerg-L/spicetify-nix/305b6034ad329268eb33c079e2d33740ccf329ea?narHash=sha256-4SwFxe789QXOtGNFbwldpqFzkKxIFuyDysFttFWB5eM%3D' (2024-08-31)
  → 'github:Gerg-L/spicetify-nix/be4c6a86cd30f29c847412cf4d3463c3113e3c30?narHash=sha256-fkPtxxfjwoNiV3nZRG0xmQ5Jk7cT0z7dGn2fuV2i6Qo%3D' (2024-09-01)