picard-tools: 2.17.11 -> 2.18.1

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

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

These checks were done:

- built on NixOS
- Warning: no binary found that responded to help or version flags. (This warning appears even if the package isn't expected to have binaries.)
- found 2.18.1 with grep in /nix/store/nxd67d6cdp85kjy0g2qg4005rbwdfj75-picard-tools-2.18.1
- directory tree listing: https://gist.github.com/2fdec4f7617ad9bc0dfcd95a91d4abb6

pkgs/applications/science/biology/picard-tools/default.nix

@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "picard-tools-${version}";
-  version = "2.17.11";
+  version = "2.18.1";
 
   src = fetchurl {
     url = "https://github.com/broadinstitute/picard/releases/download/${version}/picard.jar";
-    sha256 = "1p50bzkwq5hrwal6i679yrkdqkh5hk4bb9l9gdff2x2i761v9y9b";
+    sha256 = "0wcihlgaif79r0fa47kq77igxzq0lpyn74414v9n6k9rl5nj8x1a";
   };
 
   buildInputs = [ jre makeWrapper ];