nnn: 1.7 -> 1.8 (#40083)

Semi-automatic update generated by https://github.com/ryantm/nixpkgs-update tools.

This update was made based on information from https://repology.org/metapackage/nnn/versions.

These checks were done:

- built on NixOS
- ran ‘/nix/store/ry70cgfhdagmk70n6wn6968mqg8h3js8-nnn-1.8/bin/nlay -h’ got 0 exit code
- ran ‘/nix/store/ry70cgfhdagmk70n6wn6968mqg8h3js8-nnn-1.8/bin/nlay --help’ got 0 exit code
- ran ‘/nix/store/ry70cgfhdagmk70n6wn6968mqg8h3js8-nnn-1.8/bin/nlay help’ got 0 exit code
- found 1.8 with grep in /nix/store/ry70cgfhdagmk70n6wn6968mqg8h3js8-nnn-1.8
- directory tree listing: https://gist.github.com/261e9182ffd2085e4d82ca4daefdcee6

pkgs/applications/misc/nnn/default.nix

@@ -4,13 +4,13 @@ with stdenv.lib;
 
 stdenv.mkDerivation rec {
   name = "nnn-${version}";
-  version = "1.7";
+  version = "1.8";
 
   src = fetchFromGitHub {
     owner = "jarun";
     repo = "nnn";
     rev = "v${version}";
-    sha256 = "03cgsdj4l19gla5fx9d1ydqirpsah9d7gx9jaik73x38zqsabr89";
+    sha256 = "0sd8djig56163k0b0y4a7kg3malxlg08gayjw4zmvqaihvbbkc6v";
   };
 
   configFile = optionalString (conf!=null) (builtins.toFile "nnn.h" conf);