tools: update nixpkgs-unstable to e9a7635a57597d9754eccebdfc7045e6c86

PR-URL: nodejs#63671
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>

Author: nodejs-github-bot

tools/nix/pkgs.nix

@@ -1,10 +1,10 @@
 arg:
 let
   repo = "https://github.com/NixOS/nixpkgs";
-  rev = "3d8f0f3f72a6cd4d93d0ad13203f2ea1cb7e1456";
+  rev = "e9a7635a57597d9754eccebdfc7045e6c8600e6b";
   nixpkgs = import (builtins.fetchTarball {
     url = "${repo}/archive/${rev}.tar.gz";
-    sha256 = "1vq4c8nfn16zcz9sa3rjy4bhabdmnwy4pq3pdj20gzmgd3iwbrxb";
+    sha256 = "1515byrd40ylb3z258g4f9mmhn1v608dvmxi8acci8vz4zzr99dv";
   }) arg;
 in
 nixpkgs