fix(api-builder): pass versionInfo to macros

The update to dgeni-packages led to a breaking change in the Nunjucks
templates, where macros are now isolated from their calling site.

This means that we must pass the `versionInfo` object through to the
macro rather than expecting it to be in scope already.

tools/api-builder/angular.io-package/templates/function.template.html

@@ -26,6 +26,6 @@ div(layout="row" layout-xs="column" class="row-margin ng-cloak")
       {% endif %}
 
 p.location-badge.
-  exported from {@link {$ doc.moduleDoc.id $} {$doc.moduleDoc.id $} } defined in {$ github.githubViewLink(doc) $}
+  exported from {@link {$ doc.moduleDoc.id $} {$doc.moduleDoc.id $} } defined in {$ github.githubViewLink(doc, versionInfo) $}
 
 {% endblock %}