vnstat: 2.12 -> 2.13 (#380504)

Co-authored-by: evils <[email protected]>

Author: nixpkgs-merge-bot[bot]

pkgs/by-name/vn/vnstat/package.nix

@@ -11,13 +11,13 @@
 
 stdenv.mkDerivation rec {
   pname = "vnstat";
-  version = "2.12";
+  version = "2.13";
 
   src = fetchFromGitHub {
     owner = "vergoh";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-JwVYhmCscEdbwNGa+aKdOt8cIclpvjl4tmWFU3zhcwc=";
+    sha256 = "sha256-Xd3s4Wrtfwis0dxRijeWhfloHcXPUNAj0P91uWi1C3M=";
   };
 
   postPatch = ''