flake.lock: Update

Flake lock file updates:

• Updated input 'emacs-overlay':
    'github:nix-community/emacs-overlay/8b934665f7b6cbbcb9cd615da46fb6bab17bec33?narHash=sha256-gmmMwHSHcwqGKJ7ekOET2W0Nom71aEsSU0vdsxrzUZs%3D' (2024-07-22)
  → 'github:nix-community/emacs-overlay/31f777aba2c488344f76361001ac4156a004ce2b?narHash=sha256-6MsarAebVcnPEHkP0F0u4krd7s9gbvVgcNQI4cXfEpE%3D' (2024-07-29)
• Updated input 'emacs-overlay/nixpkgs':
    'github:NixOS/nixpkgs/1d9c2c9b3e71b9ee663d11c5d298727dace8d374?narHash=sha256-8MUgifkJ7lkZs3u99UDZMB4kbOxvMEXQZ31FO3SopZ0%3D' (2024-07-19)
  → 'github:NixOS/nixpkgs/b73c2221a46c13557b1b3be9c2070cc42cf01eb3?narHash=sha256-QOS0ykELUmPbrrUGmegAUlpmUFznDQeR4q7rFhl8eQg%3D' (2024-07-27)
• Updated input 'emacs-overlay/nixpkgs-stable':
    'github:NixOS/nixpkgs/0c53b6b8c2a3e46c68e04417e247bba660689c9d?narHash=sha256-b6PLr0Ty7JPDBtJtjnYzlBf02bbH9alWMAgispMkTwk%3D' (2024-07-19)
  → 'github:NixOS/nixpkgs/8c50662509100d53229d4be607f1a3a31157fa12?narHash=sha256-2ShmEaFi0kJVOEEu5gmlykN5dwjWYWYUJmlRTvZQRpU%3D' (2024-07-27)
• Updated input 'home-manager':
    'github:nix-community/home-manager/635563f245309ef5320f80c7ebcb89b2398d2949?narHash=sha256-XpZOkaSJKdOsz1wU6JfO59Rx2fqtcarQ0y6ndIOKNpI%3D' (2024-07-21)
  → 'github:nix-community/home-manager/792757f643cedc13f02098d8ed506d82e19ec1da?narHash=sha256-91V5FMSQ4z9bkhTCf0f86Zjw0bh367daSf0mzCIW0vU%3D' (2024-07-28)
• Updated input 'neovim-nightly-overlay':
    'github:nix-community/neovim-nightly-overlay/bb790de5f0ebe97c40eea21a394da7d179ee18a9?narHash=sha256-5FrhkqzwXVHRlW%2BTgRfF1rHieXO9Gx50vt9m3s16fdg%3D' (2024-07-21)
  → 'github:nix-community/neovim-nightly-overlay/4e77eaba554c3ec4763ecef358e6aa6ace41a6a3?narHash=sha256-zoaimNxqTf/x1fZ4eXBj5qdgDa0qs9JPWUCFsIPZQzs%3D' (2024-07-28)
• Updated input 'neovim-nightly-overlay/neovim-src':
    'github:neovim/neovim/5fc25ecc7a383a4bed2199774ed2e26022456ca3?narHash=sha256-xi0CIdlh2U0Yi2futkMQCHapH4A/fOJELpNb0AcIwvk%3D' (2024-07-20)
  → 'github:neovim/neovim/bdff50dee56ebf6de58d58315920abf2f8e262f7?narHash=sha256-BSE2ivy/IQyPClatgqdTJP1DyJZ4vryqBdMuEA9NOmQ%3D' (2024-07-27)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/1d9c2c9b3e71b9ee663d11c5d298727dace8d374?narHash=sha256-8MUgifkJ7lkZs3u99UDZMB4kbOxvMEXQZ31FO3SopZ0%3D' (2024-07-19)
  → 'github:NixOS/nixpkgs/b73c2221a46c13557b1b3be9c2070cc42cf01eb3?narHash=sha256-QOS0ykELUmPbrrUGmegAUlpmUFznDQeR4q7rFhl8eQg%3D' (2024-07-27)