go: 1.14.6 -> 1.14.7

pkgs/development/compilers/go/1.14.nix

···
 
 stdenv.mkDerivation rec {
   pname = "go";
-  version = "1.14.6";
+  version = "1.14.7";
 
   src = fetchurl {
     url = "https://dl.google.com/go/go${version}.src.tar.gz";
-    sha256 = "02acr52bxfjlr3m11576gdwn8hjv1pr2pffcis913m0m31w9vz3k";
+    sha256 = "1qrhdjdzi1knchk1wmlaqgkqhxkq2niw14b931rhqrk36m1r4hq6";
   };
 
   # perl is used for testing go vet