r/launch_template: fix setting ipv6_addresses

[kl4w]

Fixes #5863

Changes proposed in this pull request:

• fix setting ipv6_addresses

Output from acceptance testing:

$ make testacc TEST=./aws TESTARGS='-run=TestAccAWSLaunchTemplate_'
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./aws -v -run=TestAccAWSLaunchTemplate_ -timeout 120m
=== RUN   TestAccAWSLaunchTemplate_importBasic
--- PASS: TestAccAWSLaunchTemplate_importBasic (13.90s)
=== RUN   TestAccAWSLaunchTemplate_importData
--- PASS: TestAccAWSLaunchTemplate_importData (11.87s)
=== RUN   TestAccAWSLaunchTemplate_basic
--- PASS: TestAccAWSLaunchTemplate_basic (12.15s)
=== RUN   TestAccAWSLaunchTemplate_BlockDeviceMappings_EBS
--- PASS: TestAccAWSLaunchTemplate_BlockDeviceMappings_EBS (48.40s)
=== RUN   TestAccAWSLaunchTemplate_BlockDeviceMappings_EBS_DeleteOnTermination
--- PASS: TestAccAWSLaunchTemplate_BlockDeviceMappings_EBS_DeleteOnTermination (48.53s)
=== RUN   TestAccAWSLaunchTemplate_data
--- PASS: TestAccAWSLaunchTemplate_data (12.43s)
=== RUN   TestAccAWSLaunchTemplate_update
--- PASS: TestAccAWSLaunchTemplate_update (47.38s)
=== RUN   TestAccAWSLaunchTemplate_tags
--- PASS: TestAccAWSLaunchTemplate_tags (20.51s)
=== RUN   TestAccAWSLaunchTemplate_nonBurstable
--- PASS: TestAccAWSLaunchTemplate_nonBurstable (11.83s)
=== RUN   TestAccAWSLaunchTemplate_networkInterface
--- PASS: TestAccAWSLaunchTemplate_networkInterface (29.74s)
=== RUN   TestAccAWSLaunchTemplate_networkInterface_ipv6Addresses
--- PASS: TestAccAWSLaunchTemplate_networkInterface_ipv6Addresses (10.59s)
PASS
ok  	github.com/terraform-providers/terraform-provider-aws/aws	267.359s

[bflad]

LGTM! 🚀

--- PASS: TestAccAWSLaunchTemplate_networkInterface_ipv6Addresses (4.38s)
--- PASS: TestAccAWSLaunchTemplate_nonBurstable (4.58s)
--- PASS: TestAccAWSLaunchTemplate_data (4.77s)
--- PASS: TestAccAWSLaunchTemplate_importData (4.89s)
--- PASS: TestAccAWSLaunchTemplate_basic (4.97s)
--- PASS: TestAccAWSLaunchTemplate_importBasic (5.38s)
--- PASS: TestAccAWSLaunchTemplate_tags (12.76s)
--- PASS: TestAccAWSLaunchTemplate_networkInterface (14.18s)
--- PASS: TestAccAWSLaunchTemplate_BlockDeviceMappings_EBS (39.33s)
--- PASS: TestAccAWSLaunchTemplate_BlockDeviceMappings_EBS_DeleteOnTermination (41.22s)
--- PASS: TestAccAWSLaunchTemplate_update (48.51s)

[bflad]

This has been released in version 1.37.0 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!