Support AWS S3 Backup Tiering

[Jasper-Ben]

What new functionality are you requesting?

Resource: aws_backup_s3_backup_tiering
Service: aws-backup

Description

Adds support for AWS Backup S3 Tiering, reducing costs for storing S3 Backups

Potential Terraform Configuration

References

• https://console.aws.amazon.com/backup/home#/tiering
• https://aws.amazon.com/about-aws/whats-new/2025/11/aws-backup-low-cost-warm-storage-s3-backups/
• https://pkg.go.dev/github.com/aws/aws-sdk-go-v2/service/backup#Client.CreateTieringConfiguration
• https://pkg.go.dev/github.com/aws/aws-sdk-go-v2/service/backup#Client.GetTieringConfiguration
• https://pkg.go.dev/github.com/aws/aws-sdk-go-v2/service/backup#Client.DeleteTieringConfiguration

Would you like to implement the enhancement?

No

[github-actions]

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[ewbankkit]

Requires AWS SDK for Go v2 Release 2025-11-18: #45123.