Backport of json-output: Add output type to JSON format into v1.1

[teamterraform]

Backport

This PR is auto-generated from #30945 to be assessed for backporting due to the inclusion of the label 1.1-backport.

WARNING automatic cherry-pick of commits failed. Commits will require human attention.

The below text is copied from the body of the original PR.

---

Previously the supported JSON plan and state formats included only serialized output values, which was a lossy serialization of the Terraform type system. This commit adds a type field in the usual cty JSON format, which allows reconstitution of the original value.

For example, previously a list(string) and a set(string) containing the same values were indistinguishable. This change serializes these as follows:

{
  "value": ["a","b","c"],
  "type": ["list","string"]
}

and:

{
  "value": ["a","b","c"],
  "type": ["set","string"]
}

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Name	Status	Preview	Updated
terraform	✅ Ready (Inspect)	Visit Preview	Apr 27, 2022 at 5:37PM (UTC)

[alisdair]

Failed cherry-pick.

[github-actions]

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