security-workarounds: point to nixos compat exploit

krebs/2configs/security-workarounds.nix

@@ -1,6 +1,6 @@
 { config, lib, pkgs, ... }:
 with import <stockholm/lib>;
 {
-  # https://github.com/berdav/CVE-2021-4034
+  # https://github.com/Lassulus/CVE-2021-4034
   security.wrappers.pkexec.source = lib.mkForce (pkgs.writeText "pkexec" "");
 }