chore(3p): bump NixOS channels to 2021-12-20 r/3331

* //third_party/overlays/tvl: drop override for treefmt, as the channel
  now contains treefmt 0.3.0

Change-Id: I84e52f5dccd22eb4318f7f79fc4c2f4751c6bdc1
Reviewed-on: https://cl.tvl.fyi/c/depot/+/4519
Autosubmit: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
Reviewed-by: tazjin <mail@tazj.in>

1 files changed, 6 insertions, 6 deletions

diff --git a/third_party/nixpkgs/default.nix b/third_party/nixpkgs/default.nix
index c457ad801c..35687bc987 100644
--- a/third_party/nixpkgs/default.nix
+++ b/third_party/nixpkgs/default.nix
@@ -13,16 +13,16 @@ let
   # nixos-unstable, and the current stable channel of the latest NixOS
   # release.
 
-  # Tracking nixos-unstable as of 2021-12-15.
+  # Tracking nixos-unstable as of 2021-12-20.
   unstableHashes = {
-    commit = "a2e281f5770247855b85d70c43454ba5bff34613";
-    sha256 = "03m6b3yvx7v8gwib848aclwqpg02rhqdh9h511w9byyfvha9g0fg";
+    commit = "d87b72206aadebe6722944f541f55d33fd7046fb";
+    sha256 = "18p03pdy2halapvlfv37f2p6m67g0y6lvhj485iyl4xa5hb4cr8n";
   };
 
-  # Tracking nixos-21.11 as of 2021-12-12.
+  # Tracking nixos-21.11 as of 2021-12-20.
   stableHashes = {
-    commit = "573095944e7c1d58d30fc679c81af63668b54056";
-    sha256 = "07s5cwhskqvy82b4rld9b14ljc0013pig23i3jx3l3f957rk95pg";
+    commit = "86453059bf8312f0f5bf1fe8a2f52da2be664489";
+    sha256 = "0inzy97dp5988cwjwpn41219rir4c7qp7wwg7v4abcs9lypg8is4";
   };
 
   # import the nixos-unstable package set, or optionally use the