* AWS ec2_vpc_net: Enable ipv6 CIDR assignment
Enable IPv6 CIDRs in ec2_vpc_net, and fix ec2_vpc_subnet tests that
were depending on the aws cli for CIDR assignment.
Related to: #27800
* Update Shippable integration test groups.
* Update integration test group aliases.
* Rebalance AWS and Azure tests with extra group.
* Rebalance Windows tests with another group.
* Fix ec2_vpc_net tags
PR #33105 broke the tags returned by ec2_vpc_net - it was returning the raw boto3 list instead of a dict as expected.
* Add a test for tags
* Port ec2_vpc_net to boto3 and add support to expand existing VPCs
* Add s-hertel as an author for ec2_vpc_net
* Update ec2_vpc_net test for new error triggered by lack of credentials
Fix backwards compatibility
Document new return value
* Fix pep8 and return documentation
* Add some integration tests for ec2_vpc_net module
* Add a couple tests for check mode
fix typo
ensure the DHCP option set is cleaned up
* Add permissions to test policy
