Bump flake dependencies

Dependencies

• [2] 6EAXKZCU Use the overlay from the nix flake
• [3] QJB3G6E7 Add hydraProxy module
• [4] HVHW3XPJ Update flake.lock
• [5] 6LB22PZN Add a NixOS container to demo Hydra
• [6] J5LTAHYV Update flake.nix
• [7] KMQAEXZ2 Build using the nix flake
• [8] HAJZXVXR Use nixFlakes in devShell
• [9] P3M6UFMP Merge remote-tracking branch 'origin/master' into flake
• [10] GFT3FABQ Update lock file
• [11] 2TKJATAS epoch -> edition
• [12] CCPSI3TP Add flake.nix
• [13] JGWFBGDI Update flake.nix
• [14] M32RT6PS Update flake.{nix,lock}
• [*] T4LLYESZ * Nix expression for building Hydra.

Change contents

• replacement in flake.lock at line 7
  [5.97]→[2.0:240](∅→∅)
  − "narHash": "sha256-ltGlDPfwicH/u4orj1n4JXgRsA+jvKQsGnekObi0TV4=",

  − "originalUri": "nixpkgs/release-19.03",

  − "uri": "github:edolstra/nixpkgs/9a593b575e4044f9aff939b512e7cb1cf1e76a65"
  [5.97]

  [5.338]
  + "narHash": "sha256-D1YSQzR6Xo2cNZ4sf+WCak2fqE/CIbwpZbPKd2B2Syc=",

  + "originalUrl": "nixpkgs/release-19.09",

  + "url": "github:edolstra/nixpkgs/e3d44c4fc62c99b850c792429cb61b946b66a704"
• replacement in flake.lock at line 12
  [5.371]→[2.241:319](∅→∅),[2.319]→[5.305:339](∅→∅),[5.305]→[5.305:339](∅→∅),[5.339]→[2.320:399](∅→∅)
  − "narHash": "sha256-m89j1BztPNjhdaDBj3Uolc11qRagbo+kpJwSsc/vbkA=",

  − "originalUri": "nix",

  − "uri": "github:NixOS/nix/a323b7826c1104a6404c5fdfd4a824a0d5598618"
  [5.371]

  [5.450]
  + "narHash": "sha256-Y1cdnCNoJmjqyC/a+Nt2N+5L3Ttg7K7zOD7gmtg1QzA=",

  + "originalUrl": "nix",

  + "url": "github:NixOS/nix/9cac895406724e0304dff140379783c4d786e855"
• replacement in flake.lock at line 18
  [5.567]→[4.0:216](∅→∅)
  − "narHash": "sha256-ltGlDPfwicH/u4orj1n4JXgRsA+jvKQsGnekObi0TV4=",

  − "originalUri": "nixpkgs/release-19.03",

  − "uri": "github:edolstra/nixpkgs/9a593b575e4044f9aff939b512e7cb1cf1e76a65"
  [5.567]

  [5.157]
  + "narHash": "sha256-D1YSQzR6Xo2cNZ4sf+WCak2fqE/CIbwpZbPKd2B2Syc=",

  + "originalUrl": "nixpkgs/release-19.09",

  + "url": "github:edolstra/nixpkgs/e3d44c4fc62c99b850c792429cb61b946b66a704"
• replacement in flake.nix at line 6
  [5.218]→[3.0:48](∅→∅)
  − inputs.nixpkgs.uri = "nixpkgs/release-19.03";
  [5.218]

  [5.76]
  + inputs.nixpkgs.uri = "nixpkgs/release-19.09";