Add ipv6_cidr_blocks attribute to aws_ip_ranges data source

[haines]

Changes proposed in this pull request:

• Add ipv6_cidr_blocks attribute to aws_ip_ranges data source, taken from the ipv6_prefixes in https://ip-ranges.amazonaws.com/ip-ranges.json

Output from acceptance testing:

$ make testacc TESTARGS='-run=TestAccAWSIPRanges'
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./... -v -run=TestAccAWSIPRanges -timeout 120m
?   	github.com/terraform-providers/terraform-provider-aws	[no test files]
=== RUN   TestAccAWSIPRanges
--- PASS: TestAccAWSIPRanges (14.71s)
PASS
ok  	github.com/terraform-providers/terraform-provider-aws/aws	14.763s

[bflad]

LGTM, thanks @haines! 🚀

--- PASS: TestAccAWSIPRanges (3.81s)

[bflad]

This has been released in version 1.34.0 of the AWS provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

[ghost]

I'm going to lock this issue because it has been closed for 30 days ⏳. This helps our maintainers find and focus on the active issues.

If you feel this issue should be reopened, we encourage creating a new issue linking back to this one for added context. Thanks!