flake.lock: Update (#279)

Flake lock file updates:

• Updated input 'fenix':
    'github:nix-community/fenix/cdfd7bf3e3edaf9e3f6d1e397d3ee601e513613c?narHash=sha256-g4kb34YbEbpeLXv6GNONjZtafFkfl9Cd8jTmuYYON8E%3D' (2024-10-05)
  → 'github:nix-community/fenix/ea96690b28eb5a859d28bcf02887a26e3854e4f3?narHash=sha256-CciuT/8HI/BR%2By%2BW2/FyHRDpchbKQ9wA8ABJiio0CE8%3D' (2024-10-12)
• Updated input 'fenix/nixpkgs':
    'github:nixos/nixpkgs/27e30d177e57d912d614c88c622dcfdb2e6e6515?narHash=sha256-HP89HZOT0ReIbI7IJZJQoJgxvB2Tn28V6XS3MNKnfLs%3D' (2024-10-01)
  → 'github:nixos/nixpkgs/5633bcff0c6162b9e4b5f1264264611e950c8ec7?narHash=sha256-9UTxR8eukdg%2BXZeHgxW5hQA9fIKHsKCdOIUycTryeVw%3D' (2024-10-09)
• Updated input 'fenix/rust-analyzer-src':
    'github:rust-lang/rust-analyzer/5982d9c420d0dc90739171829f0d2e9c80d98979?narHash=sha256-tFvUGvqUZjES1yxYT2zEFiTAE0iQKYd%2BeWKX/6ZqeVw%3D' (2024-10-04)
  → 'github:rust-lang/rust-analyzer/0fb804acb375b02a3beeaceeb75b71969ef37b15?narHash=sha256-QFPMazeiGLo7AGy4RREmTgko0Quch/toMVKhGUjDEeo%3D' (2024-10-09)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/bc947f541ae55e999ffdb4013441347d83b00feb?narHash=sha256-NOiTvBbRLIOe5F6RbHaAh6%2B%2BBNjsb149fGZd1T4%2BKBg%3D' (2024-10-04)
  → 'github:NixOS/nixpkgs/5633bcff0c6162b9e4b5f1264264611e950c8ec7?narHash=sha256-9UTxR8eukdg%2BXZeHgxW5hQA9fIKHsKCdOIUycTryeVw%3D' (2024-10-09)