metals: 1.5.3 -> 1.6.0 (#414534)

pkgs/by-name/me/metals/package.nix

···
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "metals";
-  version = "1.5.3";
+  version = "1.6.0";
 
   deps = stdenv.mkDerivation {
     name = "metals-deps-${finalAttrs.version}";
···
     '';
     outputHashMode = "recursive";
     outputHashAlgo = "sha256";
-    outputHash = "sha256-jxrAtlD+s3yjcDWYLoN7mr8RozutItCv8dt28/UoVjk=";
+    outputHash = "sha256-+6u/nnaoCBEQCwhvPs1WQzMnppz7KEWWd1TlzbKYpAU=";
   };
 
   nativeBuildInputs = [