sns: Support for SignatureVersion

[jun1-t]

Describe the feature

Enable setting of SignatureVersion in the L2 construct for SNS topics.

https://docs.aws.amazon.com/sns/latest/dg/sns-verify-signature-of-message.html

Use Case

To set the SignatureVersion, it is necessary to configure it via L1.

https://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/UserGuide/aws-resource-sns-topic.html#cfn-sns-topic-signatureversion

Proposed Solution

Allows passing the "SigantureVersion" parameter as an argument.

const topic = new sns.Topic(this, 'MyTopic', {
  signatureVersion: '1',
});

Other Information

No response

Acknowledgements

• I may be able to implement this feature request
• This feature might incur a breaking change

CDK version used

2.133.0

Environment details (OS name and version, etc.)

irrelevant

[tim-finnigan]

Hi @jun1-t thanks for the feature request and we would appreciate any pull request. As a current workaround here is the CfnTopic signatureVersion documentation: https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_sns.CfnTopic.html#signatureversion

[pahud]

Hi @jun1-t

Yes this would be great to include that in the L2 props. Welcome and appreciate your pull request. Let me know if you need any help.

[github-actions]

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