chore(deps): update hashicorp/setup-terraform action to v3

Author: renovate[bot]

sync-root/.github/workflows/terraform-validation.yaml

@@ -18,7 +18,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup Terraform
-        uses: hashicorp/setup-terraform@v2
+        uses: hashicorp/setup-terraform@v3
 
       - name: Setup Terraform Linters
         uses: terraform-linters/setup-tflint@v3