go_1_10: 1.10 -> 1.10.1

This updates go to the latest version of the golang 1.10 branch.
A few minor (but important) things are fixed in this version:

* CVE-2018-7187 - arbitrary code execution in `go get` (when used with
  --insecure) [1]
* Extended Key Usage verification in client certificate scenarios [3]
* a bunch of stability changes

The full list of changes can se been on GitHub [2] & [4].

[1] https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7187
[2] https://github.com/golang/go/issues?q=milestone%3AGo1.10.1
[3] golang/go#23884
[4] golang/go#24563

pkgs/development/compilers/go/1.10.nix

@@ -25,13 +25,13 @@ in
 
 stdenv.mkDerivation rec {
   name = "go-${version}";
-  version = "1.10";
+  version = "1.10.1";
 
   src = fetchFromGitHub {
     owner = "golang";
     repo = "go";
     rev = "go${version}";
-    sha256 = "1dzs1mz3zxgg1qyi2lrlxdz1lsvazxvmj9cb69pgqnwjlh3jpw0l";
+    sha256 = "1wqwy52ibb343a4v7b9q26xa6r5jk4khfxd90wbpcayws8cxly8m";
   };
 
   # perl is used for testing go vet