test(pkgs_spec): update for CVE releases 3000.2 & 2019.2.4

* https://docs.saltstack.com/en/latest/topics/releases/3000.2.html
* https://docs.saltstack.com/en/latest/topics/releases/2019.2.4.html

test/integration/v201902-py2/controls/pkgs_spec.rb

@@ -1,11 +1,23 @@
 # frozen_string_literal: true
 
+# Prepare platform "finger"
+platform_finger = "#{platform[:name]}-#{platform[:release].split('.')[0]}"
+
 version =
   case platform[:family]
-  when 'redhat'
-    '2019.2.3-1.el7'
   when 'debian'
-    '2019.2.3+ds-1'
+    '2019.2.4+ds-1'
+  when 'redhat'
+    case platform_finger
+    when 'centos-7'
+      '2019.2.4-1.el7'
+    when 'centos-6'
+      '2019.2.4-1.el6'
+    when 'amazon-2'
+      '2019.2.4-1.amzn2'
+    when 'amazon-2018'
+      '2019.2.4-1.amzn1'
+    end
   end
 
 control 'salt packages' do