Fixes#7423
```
% make testacc TEST=./builtin/providers/aws TESTARGS='-run=TestAccAWSRedshiftCluster_loggingEnabled'
==> Checking that code complies with gofmt requirements...
go generate $(go list ./... | grep -v /terraform/vendor/)
TF_ACC=1 go test ./builtin/providers/aws -v
-run=TestAccAWSRedshiftCluster_loggingEnabled -timeout 120m
=== RUN TestAccAWSRedshiftCluster_loggingEnabled
--- PASS: TestAccAWSRedshiftCluster_loggingEnabled (675.21s)
PASS
ok github.com/hashicorp/terraform/builtin/providers/aws 675.233s
```
Currently, the number of nodes was broken due to not passing the
node_type with the update. This PR adds the correct parameters and a
test to prove this works as expected
`publicly_accessible` to be changed
Also updated the AWS Go SDK from 1.1.9 -> 1.1.12 as this was required to
allow the new behavior for the Redshift API
also removed the notion of tags from the redshift security group and
parameter group documentation until that has been implemented
Redshift Cluster CRUD and acceptance tests
Removing the Acceptance test for the Cluster Updates. You cannot delete
a cluster immediately after performing an operation on it. We would need
to add a lot of retry logic to the system to get this test to work
Adding some schema validation for RedShift cluster
Adding the last of the pieces of a first draft of the Redshift work - this is the documentation
Mike Brannigan