flake.lock: Update (#336)

Flake lock file updates:

• Updated input 'fenix':
    'github:nix-community/fenix/ab655c627777ab5f9964652fe23bbb1dfbd687a8?narHash=sha256-ixopuTeTouxqTxfMuzs6IaRttbT8JqRW5C9Q/57WxQw%3D' (2024-06-08)
  → 'github:nix-community/fenix/bedf55efd03d4796a3ddb267d7e081cc6b34483d?narHash=sha256-%2Bx7sc7OPYwi8OPebZ4Pqtzo9XyRcG5Sx7UZSGdj7HVs%3D' (2024-06-22)
• Updated input 'fenix/nixpkgs':
    'github:nixos/nixpkgs/e8057b67ebf307f01bdcc8fba94d94f75039d1f6?narHash=sha256-pL9jeus5QpX5R%2B9rsp3hhZ%2BuplVHscNJh8n8VpqscM0%3D' (2024-06-05)
  → 'github:nixos/nixpkgs/d603719ec6e294f034936c0d0dc06f689d91b6c3?narHash=sha256-k3JqJrkdoYwE3fHE6xGDY676AYmyh4U2Zw%2B0Bwe5DLU%3D' (2024-06-20)
• Updated input 'fenix/rust-analyzer-src':
    'github:rust-lang/rust-analyzer/48bbdd6a74f3176987d5c809894ac33957000d19?narHash=sha256-%2BlRAmz92CNUxorqWusgJbL9VE1eKCnQQojglRemzwkw%3D' (2024-06-05)
  → 'github:rust-lang/rust-analyzer/c4681ea2cc1f2d1e1a0568ad03069c57bdcd7a88?narHash=sha256-Roaz1CckctannQVyhfwJ7sqmCGmU3hfTo/7Nmms06WM%3D' (2024-06-21)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/775cdd42ab8acf9a9da38e71888a1ed8528f1ee5?narHash=sha256-I1kyie85KJdErNS%2BF9QvxCFEsesmg1c/%2BYCKa7B%2BFWs%3D' (2024-06-15)
  → 'github:NixOS/nixpkgs/dd868b7bd4d1407d607da0d1d9c5eca89132e2f7?narHash=sha256-wu/2PXVEHZBCg/qmlw5jJKs6zgVWfUpmnRTr9BiS3Uk%3D' (2024-06-22)
• Updated input 'nixpkgs-master':
    'github:NixOS/nixpkgs/59c34586eb15e5174e3bf01536c0c3e86c0b14c1?narHash=sha256-v5NJkkIhNtm5knubTIQA3sbo5K/L7RHmJjXPGa/qkLw%3D' (2024-06-16)
  → 'github:NixOS/nixpkgs/38772839c9a2193d29c6d36a8dc54be9ef89025c?narHash=sha256-74hD12Tg0jFgCMlbUZZCe1jqtegBiFAUTJROR/TTZyo%3D' (2024-06-23)