Bug 1648858 - Update d3.js to latest 3.x version (3.5.17). r=mossop

We should upgrade to an even newer version but I don't want to break the devtools memory toolbox with a potential breaking change in 4.x.
This should allow using parts of d3.js without a `document` e.g. d3-dsv.

Differential Revision: https://phabricator.services.mozilla.com/D81442

toolkit/content/license.html

@@ -3224,7 +3224,7 @@ DEALINGS IN THE SOFTWARE.
       <code>toolkit/vendor/d3/d3.js</code>.
     </p>
 <pre>
-Copyright (c) 2014, Michael Bostock
+Copyright (c) 2010-2016, Michael Bostock
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without

toolkit/vendor/d3/LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2014, Michael Bostock
+Copyright (c) 2010-2016, Michael Bostock
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without