Update default network provisioning

[anayeaye]

What

Align default network infrastructure that is provisioned if a new instance of the veda-backend is deployed without a vpc-id with the updated standalone base infrastructure that has been better maintained.

Why

We have been maintaining the standalone base infrastructure constructs but have neglected the IAC for the base infrastructure which is now out of date and un-deployable.

Maintained IAC

https://github.com/NASA-IMPACT/veda-backend/blob/develop/standalone_base_infrastructure/network_construct.py

Out of date default IAC

This part of the veda-backend is only invoked if a new instance of veda-backend is deployed without an existing vpc-id. It hasn't been used much lately and is no longer deployable so it needs to be updated to match the standalone VPC.
https://github.com/NASA-IMPACT/veda-backend/tree/develop/network/infrastructure

AC

• veda-backend/network/infrastructure is aligned with veda-backend/standalone_base_infrastrucure/network_construct

[anayeaye]

This issue is resolved in #299