flake.lock: Update

Flake lock file updates:

• Updated input 'flake-utils':
    'github:numtide/flake-utils/a4b154ebbdc88c8498a5c7b01589addc9e9cb678' (2022-04-11)
  → 'github:numtide/flake-utils/04c1b180862888302ddfb2e3ad9eaa63afc60cf8' (2022-05-17)
• Updated input 'jormungandr_':
    'github:input-output-hk/jormungandr/7debae87d573f364559914348035efd007e23e99' (2022-05-09)
  → 'github:input-output-hk/jormungandr/69132bda6b489e395f53954e148b915fc5977e34' (2022-05-19)
• Updated input 'jormungandr_/flake-utils':
    'github:numtide/flake-utils/a4b154ebbdc88c8498a5c7b01589addc9e9cb678' (2022-04-11)
  → 'github:numtide/flake-utils/12806d31a381e7cd169a6bac35590e7b36dc5fe5' (2022-05-14)
• Updated input 'jormungandr_/nixpkgs':
    'github:NixOS/nixpkgs/c777cdf5c564015d5f63b09cc93bef4178b19b01' (2022-05-05)
  → 'github:NixOS/nixpkgs/d89d7af1ba23bd8a5341d00bdd862e8e9a808f56' (2022-05-12)
• Updated input 'jormungandr_/rust-overlay':
    'github:oxalica/rust-overlay/43f4c4319fd29d07912a65d405ff03069c7748c4' (2022-05-07)
  → 'github:oxalica/rust-overlay/f9ddceabd2ccd2bf3d08c83832f3709c94287144' (2022-05-14)
• Updated input 'naersk':
    'github:nix-community/naersk/f21309b38e1da0d61b881b6b6d41b81c1aed4e1d' (2022-05-03)
  → 'github:nix-community/naersk/94beb7a3edfeb3bcda65fa3f2ebc48ec6b40bf72' (2022-05-16)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/c777cdf5c564015d5f63b09cc93bef4178b19b01' (2022-05-05)
  → 'github:NixOS/nixpkgs/48037fd90426e44e4bf03e6479e88a11453b9b66' (2022-05-18)
• Updated input 'pre-commit-hooks':
    'github:cachix/pre-commit-hooks.nix/e5e7b3b542e7f4f96967966a943d7e1c07558042' (2022-04-04)
  → 'github:cachix/pre-commit-hooks.nix/521a524771a8e93caddaa0ac1d67d03766a8b0b3' (2022-05-16)
• Updated input 'rust-overlay':
    'github:oxalica/rust-overlay/31db726b18ad2620fead6e7cd31b6e57d1cd061b' (2022-05-09)
  → 'github:oxalica/rust-overlay/3bc2619665745f5e6f2efc3d0664edad4f62201b' (2022-05-21)
• Updated input 'vit-servicing-station':
    'github:input-output-hk/vit-servicing-station/1f6272cb0e85366534ca487a376a838e1487d165' (2022-05-05)
  → 'github:input-output-hk/vit-servicing-station/77b2ba9940665415b8f0303146a61961dd33b50a' (2022-05-20)