backport of commit a46def288f (#23869)

Co-authored-by: Ryan Cragun <me@ryan.ec>

.github/workflows/enos-lint.yml

@@ -41,7 +41,6 @@ jobs:
       - uses: hashicorp/setup-terraform@v2
         with:
           terraform_wrapper: false
-          terraform_version: 1.5.7 # QT-623: pin to terraform 1.5.x until a tfjson bug is resolved
       - uses: hashicorp/action-setup-enos@v1
         with:
           github-token: ${{ secrets.ELEVATED_GITHUB_TOKEN }}

.github/workflows/enos-run-k8s.yml

@@ -38,7 +38,6 @@ jobs:
           # the Terraform wrapper will break Terraform execution in Enos because
           # it changes the output to text when we expect it to be JSON.
           terraform_wrapper: false
-          terraform_version: 1.5.7 # QT-623: pin to terraform 1.5.x until a tfjson bug is resolved
       - name: Set up Enos
         uses: hashicorp/action-setup-enos@v1
         with:

.github/workflows/test-enos-scenario-ui.yml

@@ -85,7 +85,6 @@ jobs:
         with:
           cli_config_credentials_token: ${{ secrets.TF_API_TOKEN }}
           terraform_wrapper: false
-          terraform_version: 1.5.7 # QT-623: pin to terraform 1.5.x until a tfjson bug is resolved
       - name: Prepare scenario dependencies
         run: |
           mkdir -p ./enos/support/terraform-plugin-cache

.github/workflows/test-run-enos-scenario-matrix.yml

@@ -102,7 +102,6 @@ jobs:
           # the Terraform wrapper will break Terraform execution in Enos because
           # it changes the output to text when we expect it to be JSON.
           terraform_wrapper: false
-          terraform_version: 1.5.7 # QT-623: pin to terraform 1.5.x until a tfjson bug is resolved
       - uses: aws-actions/configure-aws-credentials@5fd3084fc36e372ff1fff382a39b10d03659f355 # v2.2.0
         with:
           aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID_CI }}