Bump nixpkgs
Update nixpkgs to the latest HEAD.
{
"url": "https://github.com/nixos/nixpkgs",
- "rev": "b20e488f18353e7a849a2c81d100af34163506ff",
- "date": "2021-12-08T17:10:15+08:00",
- "path": "/nix/store/s6vbssldl7bjaq6b78zg47navcq3bz29-nixpkgs",
- "sha256": "1rdd35bwcrbw9ws5gx13pj14zpambn5f7mg8wivl6jm00c27npqv",
+ "rev": "b788d48694f438edf111835336e9397d2f7114e3",
+ "date": "2022-03-04T09:44:28+01:00",
+ "path": "/nix/store/l70s3gp5ygmlk6ac9wpz052qgnw1vfa5-nixpkgs",
+ "sha256": "0v5dws02md56gf7r8kzi9lv3a68aj410m7jhsf54fzmbhn5vfy0b",
"fetchLFS": false,
"fetchSubmodules": false,
"deepClone": false,
