Add VPC Peering for dit-staging_platform-staging
Add VPC Peering for dit-staging_platform-staging

As-per Zendesk 4529613

alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf