flake.lock: Update

Flake lock file updates:

• Updated input 'advisory-db':
    'github:rustsec/advisory-db/369d98c1b95b7b56d0859605916d7b81a7d1f1c4' (2024-03-15)
  → 'github:rustsec/advisory-db/331c2947e70b94a35b53ab25ed64b1bf25080870' (2024-06-01)
• Updated input 'crane':
    'github:ipetkov/crane/270c7d60d37b769a31bb04d61bc73cc2da1b3f6f' (2024-03-22)
  → 'github:ipetkov/crane/480dff0be03dac0e51a8dfc26e882b0d123a450e' (2024-05-29)
• Updated input 'fenix':
    'github:nix-community/fenix/85f4139f3c092cf4afd9f9906d7ed218ef262c97' (2024-03-22)
  → 'github:nix-community/fenix/9a025daf6799e3af80b677f0af57ef76432c3fcf' (2024-06-01)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/20bc93ca7b2158ebc99b8cef987a2173a81cde35' (2024-03-23)
  → 'github:NixOS/nixpkgs/6132b0f6e344ce2fe34fc051b72fb46e34f668e0' (2024-05-30)