flake.lock: Update

Flake lock file updates:

• Updated input 'agenix':
    'github:ryantm/agenix/2994d002dcff5353ca1ac48ec584c7f6589fe447' (2023-04-21)
  → 'github:ryantm/agenix/db5637d10f797bb251b94ef9040b237f4702cde3' (2023-05-15)
• Added input 'agenix/home-manager':
    'github:nix-community/home-manager/32d3e39c491e2f91152c84f8ad8b003420eab0a1' (2023-04-22)
• Added input 'agenix/home-manager/nixpkgs':
    follows 'agenix/nixpkgs'
• Updated input 'crane':
    'github:ipetkov/crane/54b63c8eae4c50172cb50b612946ff1d2bc1c75c' (2023-04-16)
  → 'github:ipetkov/crane/75f7d715f8088f741be9981405f6444e2d49efdd' (2023-06-13)
• Updated input 'flake-utils':
    'github:numtide/flake-utils/cfacdce06f30d2b68473a46042957675eebb3401' (2023-04-11)
  → 'github:numtide/flake-utils/a1720a10a6cfe8234c0e93907ffe81be440f4cef' (2023-05-31)
• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/645bc49f34fa8eff95479f0345ff57e55b53437e' (2023-04-19)
  → 'github:nixos/nixpkgs/04af42f3b31dba0ef742d254456dc4c14eedac86' (2023-06-17)
• Updated input 'rust-overlay':
    'github:oxalica/rust-overlay/2c417c0460b788328220120c698630947547ee83' (2023-04-22)
  → 'github:oxalica/rust-overlay/01d84cd842e48e89be67e4c2d9dc46aa7709adc5' (2023-06-17)