flake.lock: Update (#49)

Flake lock file updates:

• Updated input 'crane':
    'github:ipetkov/crane/6849911446e18e520970cc6b7a691e64ee90d649' (2023-11-09)
  → 'github:ipetkov/crane/ae7cd510e508ee03d792005c2f1c0a3ff25ecb80' (2023-11-18)
• Updated input 'fenix':
    'github:nix-community/fenix/ca6415d87d2e1b5975d59b2a68ae19029de1759c' (2023-11-11)
  → 'github:nix-community/fenix/a8a70dfe2b9d8a40a51642c554fee83942850c49' (2023-11-18)
• Updated input 'fenix/rust-analyzer-src':
    'github:rust-lang/rust-analyzer/11a87c917943dac5a568579f799c2d7458324103' (2023-11-10)
  → 'github:rust-lang/rust-analyzer/255eed40c45fcf108ba844b4ad126bdc4e7a18df' (2023-11-17)
• Updated input 'nickel':
    'github:tweag/nickel/28672ee45bfe78dc3dc828ac1fe4fa40f99965e9' (2023-10-30)
  → 'github:tweag/nickel/8d7725da772599a65874a827aa02feb8306852ed' (2023-11-16)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/ec750fd01963ab6b20ee1f0cb488754e8036d89d' (2023-11-07)
  → 'github:NixOS/nixpkgs/7414e9ee0b3e9903c24d3379f577a417f0aae5f1' (2023-11-16)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>