add nonsensitive_values field to tfe_outputs

[Uk1288]

Description

Added nonsensitive_values attribute to tfe_outputs datasource to allow retrieving the current non-sensitive outputs of a given workspace.

Remember to:

• Update the Change Log

• Update the Documentation

Testing plan

1. Create a workspace that has both sensitive and non-sensitive outputs
2. Use tfe_outputs datasource like below to attempt to retrieve outputs

data "tfe_outputs" "example" {
  organization = "org"
  workspace = "prod-app"
}

output "example" {
  value = data.tfe_outputs.example.values.foo
}

3. Retrieval should error unless you use the nonsensitive function
4. After these changes, use nonsensitive_values to retrieve all non-sensitive values. For instance if a workspace has non-sensitive output value foo

data "tfe_outputs" "example" {
  organization = "org"
  workspace = "prod-app"
}

output "example" {
  value = data.tfe_outputs.example.nonsensitive_values.foo
}

External links

Include any links here that might be helpful for people reviewing your PR. If there are none, feel free to delete this section.

• Related issue

Output from acceptance tests

Please run applicable acceptance tests locally and include the output here. See TESTS.md to learn how to run acceptance tests.

If you are an external contributor, your contribution(s) will first be reviewed before running them against the project's CI pipeline.

$ TESTARGS="-run TestAccTFEOutputs" make testacc

=== RUN   TestAccTFEOutputs
--- PASS: TestAccTFEOutputs (18.51s)
=== RUN   TestAccTFEOutputs_ReadAllNonSensitiveValues
--- PASS: TestAccTFEOutputs_ReadAllNonSensitiveValues (17.74s)
=== RUN   TestAccTFEOutputs_emptyOutputs
--- PASS: TestAccTFEOutputs_emptyOutputs (13.29s)
PASS
ok  

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[brandonc]

It works!