flake.lock: Update

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/51d906d2341c9e866e48c2efcaac0f2d70bfd43e?narHash=sha256-WyMj5jGcecD%2BKC8gEs%2BwFth1J1wjisZf8kVZH13f1Zo%3D' (2023-10-21)
  → 'github:NixOS/nixpkgs/e913ae340076bbb73d9f4d3d065c2bca7caafb16?narHash=sha256-Ds1QpobBX2yoUDx9ZruqVGJ/uQPgcXoYuobBguyKEh8%3D' (2024-06-11)
• Updated input 'rust-overlay':
    'github:oxalica/rust-overlay/679ea0878edc749f23516ea6d7ffa974c6304bf5?narHash=sha256-9%2BFjCVE1Y7iUKohBF43yD05KoQB%2BFPcw/XL2rlKkjqY%3D' (2023-10-20)
  → 'github:oxalica/rust-overlay/d4d933340cd3b35d3dc256d76abc3d510e21dfdc?narHash=sha256-nOt0XxRZ9ZwztX4OOKdS4YkPd3TVfz/PoaD8TiT7/vw%3D' (2024-06-12)
• Updated input 'rust-overlay/flake-utils':
    'github:numtide/flake-utils/cfacdce06f30d2b68473a46042957675eebb3401?narHash=sha256-H%2BRh19JDwRtpVPAWp64F%2BrlEtxUWBAQW28eAi3SRSzg%3D' (2023-04-11)
  → 'github:numtide/flake-utils/1ef2e671c3b0c19053962c07dbda38332dcebf26?narHash=sha256-uNRRNRKmJyCRC/8y1RqBkqWBLM034y4qN7EprSdmgyA%3D' (2024-01-15)
• Updated input 'rust-overlay/nixpkgs':
    'github:NixOS/nixpkgs/96ba1c52e54e74c3197f4d43026b3f3d92e83ff9?narHash=sha256-eKyxW4OohHQx9Urxi7TQlFBTDWII%2BF%2Bx2hklDOQPB50%3D' (2023-04-13)
  → 'github:NixOS/nixpkgs/90f456026d284c22b3e3497be980b2e47d0b28ac?narHash=sha256-LE8lVX28MV2jWJsidW13D2qrHU/RUUONendL2Q/WlJg%3D' (2024-01-29)