[Feature Deprecation] AWS Systems Manager - Incident Manager (Maintenance Mode)

[breathingdust]

Description

AWS has announced that AWS Systems Manager - Incident Manager is moving to a Maintenance lifecycle, with new customers no longer having access starting November 7, 2025. Existing customers can continue to use the feature while exploring alternative solutions.

Action Required: Deprecate the affected resources/data sources.

Affected Resource(s) or Data Source(s)

• aws_ssmincidents_response_plan
• aws_ssmincidents_replication_set

References

• AWS Service Availability Updates - AWS

Relates: #44728

[github-actions]

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