xmr-stak: 2.4.4 -> 2.4.5

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

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

These checks were done:

- built on NixOS
- /nix/store/wbq2l97g7y24hnbz1zzs17yl8qh1csd3-xmr-stak-2.4.5/bin/xmr-stak passed the binary check.
- Warning: no invocation of /nix/store/wbq2l97g7y24hnbz1zzs17yl8qh1csd3-xmr-stak-2.4.5/bin/libxmrstak_opencl_backend.so had a zero exit code or showed the expected version
- 1 of 2 passed binary check by having a zero exit code.
- 0 of 2 passed binary check by having the new version present in output.
- found 2.4.5 with grep in /nix/store/wbq2l97g7y24hnbz1zzs17yl8qh1csd3-xmr-stak-2.4.5
- directory tree listing: https://gist.github.com/d748f1490c29ab43e9426b5d283a5e4e
- du listing: https://gist.github.com/06e416d3c3db5caf733655c9ab632eea

pkgs/applications/misc/xmr-stak/default.nix

@@ -12,13 +12,13 @@ in
 
 stdenv'.mkDerivation rec {
   name = "xmr-stak-${version}";
-  version = "2.4.4";
+  version = "2.4.5";
 
   src = fetchFromGitHub {
     owner = "fireice-uk";
     repo = "xmr-stak";
     rev = "${version}";
-    sha256 = "1j75466hfs18w05k64yb60pw865ah226vjib46qr1wb1mcd82i5s";
+    sha256 = "0ix4vqhcm4x9j5p6pwdfwkm2ml6wmwsyn3ppzvxllhp4dj8blzwf";
   };
 
   NIX_CFLAGS_COMPILE = "-O3";