* Update Shippable integration test groups.
* Update integration test group aliases.
* Rebalance AWS and Azure tests with extra group.
* Rebalance Windows tests with another group.
* Stabilize ec2_vpc_vgw and ec2_vpc_vpn so tests for ec2_vpc_vpn_facts in PR 35983 can be run in CI
* Add updated placebo recordings
* ensure find_vgw uses the virtual gateway id if available
Add AWSRetry.jittered_backoff to attach_vpn_gateway to deal with errors when attaching a new VPC directly after detaching
Add integrations tests for ec2_vpc_vgw
* Sort VPN Gateways by ID