r/aws_redshiftserverless_snapshot_copy_configuration: implement new resource

[marcinbelczewski]

Description

This PR implements aws_redshiftserverless_snapshot_copy_configuration to configure copying of Amazon Redshift Serverless snapshots and recovery points to another region.

This PR does not implement importing resource. This is because Redshift Serverless API misses get-snapshot-copy-configuration action preventing direct get via snapshot copy configuration ID and rather listing all configurations by namespace is necessary. Import, would need to use composite identifier of namespace and configuration ID (which is globally unique) adding complexity to the provider. Copy configuration can be easily recreated without negative side effects making import non-critical.

Relations

Closes #36808

References

CreateSnapshotCopyConfiguration in Redshift Serverless API
ListSnapshotCopyConfigurations
UpdateSnapshotCopyConfiguration
DeleteSnapshotCopyConfiguration
Working with snapshots and recovery points

Output from Acceptance Testing

make testacc TESTS=TestAccRedshiftServerlessSnapshotCopyConfiguration PKG=redshiftserverless

[github-actions]

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