tools: update nixpkgs-unstable to 917fec990948658ef1ccd07cef2a1ef0607

Author: nodejs-github-bot

tools/nix/pkgs.nix

@@ -1,10 +1,10 @@
 arg:
 let
   repo = "https://github.com/NixOS/nixpkgs";
-  rev = "d1c15b7d5806069da59e819999d70e1cec0760bf";
+  rev = "917fec990948658ef1ccd07cef2a1ef060786846";
   nixpkgs = import (builtins.fetchTarball {
     url = "${repo}/archive/${rev}.tar.gz";
-    sha256 = "08f0iv9rn4d9ha35kblqpkrgbbnfby87bj8fx1839l3r4grqdnvg";
+    sha256 = "1x3hmj6vbza01cl5yf9d0plnmipw3ap6y0k5rl9bl11fw7gydvva";
   }) arg;
 in
 nixpkgs