Update hash for vulnerability

We updated vulnerability so it includes id and url
We need to add it to its `hash`

ee/lib/gitlab/ci/reports/dependency_list/vulnerability.rb

@@ -19,7 +19,7 @@ module Gitlab
           end
 
           def hash
-            name.hash ^ severity.hash
+            name.hash ^ severity.hash ^ id.hash ^ url.hash
           end
 
           def to_hash

ee/spec/lib/gitlab/ci/reports/dependency_list/report_spec.rb

@@ -135,7 +135,8 @@ RSpec.describe Gitlab::Ci::Reports::DependencyList::Report do
 
     it 'does not duplicate same vulnerability for dependency' do
       vulnerabilities = [{ name: 'problem', severity: 'high', id: 2, url: 'some_url_2' },
-                         { name: 'problem2', severity: 'medium', id: 4, url: 'some_url_4' }]
+                         { name: 'problem2', severity: 'medium', id: 4, url: 'some_url_4' },
+                         { name: 'problem3', severity: 'medium', id: nil, url: nil }]
 
       dependency[:vulnerabilities] = [vulnerabilities.first]
       with_extra_vuln_from_another_report = dependency.dup.merge(vulnerabilities: vulnerabilities)