Update DAST reports to include additional fields

JSON Keys are in alphabetical order
Arrays are sorted
Added Common Report Format fields

ee/spec/lib/gitlab/ci/parsers/security/dast_spec.rb

@@ -21,7 +21,7 @@ describe Gitlab::Ci::Parsers::Security::Dast do
           :last_occurrence_path,
           :last_occurrence_severity,
           :last_occurrence_confidence) do
-      :dast                 | 24 | 15 | 1 | 'http://goat:8080' | 'GET' | '/WebGoat/start.mvc' | 'info' | 'low'
+      :dast                 | 24 | 15 | 1 | 'http://goat:8080' | 'GET' | '/WebGoat/plugins/bootstrap/css/bootstrap.min.css' | 'info' | 'low'
       :dast_multiple_sites  | 25 | 15 | 1 | 'https://goat:8080' | 'GET' | '/WebGoat/registration' | 'high' | 'medium'
       :dast_deprecated      | 2 | 3 | 1 | 'http://bikebilly-spring-auto-devops-review-feature-br-3y2gpb.35.192.176.43.xip.io' | 'GET' | '/' | 'low' | 'medium'
     end

ee/spec/lib/gitlab/ci/parsers/security/formatters/dast_spec.rb

@@ -15,7 +15,7 @@ describe Gitlab::Ci::Parsers::Security::Formatters::Dast do
   end
 
   describe '#format_vulnerability' do
-    let(:instance) { file_vulnerability['instances'][1] }
+    let(:instance) { file_vulnerability['instances'][0] }
     let(:hostname) { 'http://goat:8080' }
     let(:sanitized_desc) { file_vulnerability['desc'].gsub('<p>', '').gsub('</p>', '') }
     let(:sanitized_solution) { file_vulnerability['solution'].gsub('<p>', '').gsub('</p>', '') }
@@ -53,7 +53,7 @@ describe Gitlab::Ci::Parsers::Security::Formatters::Dast do
                                              'url'   => "http://projects.webappsec.org/w/page/13246974/Threat%20Classification%20Reference%20Grid"
                                            })
       expect(data['location']).to eq({
-                                       'param' => nil,
+                                       'param' => '',
                                        'method' => 'GET',
                                        'hostname' => hostname,
                                        'path' => '/WebGoat/login'