Update Hackage and Stackage

Author: IOHK

hackage-src.json

@@ -1,9 +1,9 @@
 {
   "url": "https://github.com/input-output-hk/hackage.nix",
-  "rev": "dcc893b90461eb9c04a35f79a021153c2cad9258",
-  "date": "2020-12-26T01:09:45+00:00",
-  "path": "/nix/store/s483ilgf2rakv42syqdnikzm191im3rk-hackage.nix-dcc893b",
-  "sha256": "0c0msm3x45dqgp4wbdsj2a5kzv1y5q18r714qzl93va8bbwm7vl6",
+  "rev": "d5f12e2f8464fb91d6941d2df6da247205c6ad1e",
+  "date": "2020-12-27T01:11:03+00:00",
+  "path": "/nix/store/q5gjwbspr00wvfw45i6xvzn61nwcbi1v-hackage.nix-d5f12e2",
+  "sha256": "1sl26gwqxz1n3k974m0h14gw70vcigw3ibr3pyjjc5ycrw92khd6",
   "fetchSubmodules": false,
   "deepClone": false,
   "leaveDotGit": false