Support cluster replication

[iwarapter]

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Description

When deploying configuration in a cluster pingfederate, replication after a successful apply is required.

This should support the following use cases:

• Replication is performed after all resources requiring change have completed successfully.
• Any failed apply results in no replication.
• This should all be achieved within a single apply i.e dont apply then need to plan & apply afterwards to detect the requirement to replicate.

References

• Cleanup, sync and commit actions for Providers hashicorp/terraform-plugin-sdk#63
• Systems that need a "commit" step for actions spanning across multiple resources hashicorp/terraform#30045