flake.lock: Update

Flake input changes:

  • Updated 'nix': 'github:NixOS/nix/334e26bfc2ce82912602e8a0f9f9c7e0fb5c3221' -> 'github:NixOS/nix/1ab9da915422405452118ebb17b88cdfc90b1e10'
  • Updated 'nixpkgs': 'github:NixOS/nixpkgs/a84b797b28eb104db758b5cb2b61ba8face6744b' -> 'github:NixOS/nixpkgs/c9d124e39dbeefc53c7b3e09fbfc2c26bcbd4845'

Created by  Eelco Dolstra  on July 8, 2020
TFX3VUPCFVITJY4TNVIAWOX4EY7XYW6RN25MGGEHMC64ACB32QDQC
Change contents