flake.lock: Update (#273)

Flake lock file updates:

• Updated input 'fenix':
    'github:nix-community/fenix/18eefba7fd0bf03e115785948758a44125a9fd68?narHash=sha256-v3r7yJY8YE4HAzD5DXOxLkzj8YZKQ0xuccp9yppGW1U%3D' (2024-09-21)
  → 'github:nix-community/fenix/05848315f6849b29bb538bf3c646a07cb1492548?narHash=sha256-rkyXU40J/D4ZJtigMRlZ%2B6uHsr60mseWkaUFeL%2B7NKk%3D' (2024-09-28)
• Updated input 'fenix/nixpkgs':
    'github:nixos/nixpkgs/c04d5652cfa9742b1d519688f65d1bbccea9eb7e?narHash=sha256-PmUr/2GQGvFTIJ6/Tvsins7Q43KTMvMFhvG6oaYK%2BWk%3D' (2024-09-19)
  → 'github:nixos/nixpkgs/1925c603f17fc89f4c8f6bf6f631a802ad85d784?narHash=sha256-J%2BPeFKSDV%2BpHL7ukkfpVzCOO7mBSrrpJ3svwBFABbhI%3D' (2024-09-26)
• Updated input 'fenix/rust-analyzer-src':
    'github:rust-lang/rust-analyzer/94b526fc86eaa0e90fb4d54a5ba6313aa1e9b269?narHash=sha256-nCmG4NJpwI0IoIlYlwtDwVA49yuspA2E6OhfCOmiArQ%3D' (2024-09-15)
  → 'github:rust-lang/rust-analyzer/546339a7be357b3e95fc4b79a8816dce540d477b?narHash=sha256-jrr8r2CT9jsi6XDTTX%2BE39/CakTcQ9RYRp6rWGzLkk0%3D' (2024-09-27)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/c04d5652cfa9742b1d519688f65d1bbccea9eb7e?narHash=sha256-PmUr/2GQGvFTIJ6/Tvsins7Q43KTMvMFhvG6oaYK%2BWk%3D' (2024-09-19)
  → 'github:NixOS/nixpkgs/1925c603f17fc89f4c8f6bf6f631a802ad85d784?narHash=sha256-J%2BPeFKSDV%2BpHL7ukkfpVzCOO7mBSrrpJ3svwBFABbhI%3D' (2024-09-26)