flake.lock: Update

Flake lock file updates:

• Updated input 'fenix':
    'github:nix-community/fenix/c7e184561fe843abb861cd7d22c23066987078e2' (2022-04-06)
  → 'github:nix-community/fenix/e3b401ca3ea0b553e2e3db52feb00e0fa8c31996' (2022-05-21)
• Updated input 'fenix/nixpkgs':
    'github:nixos/nixpkgs/bc4b9eef3ce3d5a90d8693e8367c9cbfc9fc1e13' (2022-04-03)
  → 'github:nixos/nixpkgs/48037fd90426e44e4bf03e6479e88a11453b9b66' (2022-05-18)
• Updated input 'fenix/rust-analyzer-src':
    'github:rust-analyzer/rust-analyzer/2366d8e05f5f3585f95058fa7427cbde079914ed' (2022-04-05)
  → 'github:rust-lang/rust-analyzer/11823872240d83aa5075575056414cd7d29eba3f' (2022-05-20)
• Updated input 'naersk':
    'github:nix-community/naersk/d626f73332a8f587b613b0afe7293dd0777be07d' (2022-04-04)
  → 'github:nix-community/naersk/94beb7a3edfeb3bcda65fa3f2ebc48ec6b40bf72' (2022-05-16)
• Updated input 'naersk/nixpkgs':
    'github:NixOS/nixpkgs/30d3d79b7d3607d56546dd2a6b49e156ba0ec634' (2022-03-25)
  → 'github:NixOS/nixpkgs/52dc75a4fee3fdbcb792cb6fba009876b912bfe0' (2022-05-18)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/30d3d79b7d3607d56546dd2a6b49e156ba0ec634' (2022-03-25)
  → 'github:NixOS/nixpkgs/52dc75a4fee3fdbcb792cb6fba009876b912bfe0' (2022-05-18)
• Updated input 'utils':
    'github:numtide/flake-utils/0f8662f1319ad6abf89b3380dd2722369fc51ade' (2022-03-26)
  → 'github:numtide/flake-utils/04c1b180862888302ddfb2e3ad9eaa63afc60cf8' (2022-05-17)

Author: github-actions[bot]