copy tags to cluster snapshots

[ab77]

CopyTagsToSnapshot is now supported on AWS::RDS::DBCluster resource(s).

(Override all values in parentheses)

(Run yamllint folder/template.yaml, cfn-lint -i E1019 E3002 E2520 -t folder/template.yaml, and aws cloudformation validate-template --template-body file://folder/template.yaml before you open a PR)

(Do not include multiple changes in one PR. Open additional PRs instead.)

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CopyTagsToSnapshot is now supported on AWS::RDS::DBCluster resource(s):

• AWS::RDS::DBCluster does not support CopyTagsToSnapshot aws-cloudformation/cloudformation-coverage-roadmap#238
• https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-rds-dbcluster.html#cfn-rds-dbcluster-copytagstosnapshot

[michaelwittig]

Thanks @ab77