lxc: 6.0.3 -> 6.0.4

https://discuss.linuxcontainers.org/t/lxc-6-0-4-lts-has-been-released/23390
https://github.com/lxc/lxc/releases/tag/v6.0.4

Author: adamcstephens

pkgs/by-name/lx/lxc/package.nix

@@ -22,13 +22,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "lxc";
-  version = "6.0.3";
+  version = "6.0.4";
 
   src = fetchFromGitHub {
     owner = "lxc";
     repo = "lxc";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-h41lcHGjJmIH28XRpM0gdFsOQOCLSWevSLfvQ7gIf7Q=";
+    hash = "sha256-zmL568PprrpIWTVCkScXHEzTZ+NduSH4r8ETnz4NY64=";
   };
 
   nativeBuildInputs = [