Change DIT peering VPC
Change DIT peering VPC

As requested in DeskPro ticket 5157. They have recreated the VPC in order to
fit subnets from all 3 availability zones into the 172.16.1.0/24 subnet. The
account ID remains the same.

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