Pin version of TFLint's GPG key URL (#605)

src/terraform/devcontainer-feature.json

 {
     "id": "terraform",
-    "version": "1.3.2",
+    "version": "1.3.3",
     "name": "Terraform, tflint, and TFGrunt",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/terraform",
     "description": "Installs the Terraform CLI and optionally TFLint and Terragrunt. Auto-detects latest version and installs needed dependencies.",
@@ -74,4 +74,4 @@
     "installsAfter": [
         "ghcr.io/devcontainers/features/common-utils"
     ]
-}
+}
\ No newline at end of file

src/terraform/install.sh

@@ -27,7 +27,7 @@ TFSEC_SHA256="${TFSEC_SHA256:-"automatic"}"
 TERRAFORM_DOCS_SHA256="${TERRAFORM_DOCS_SHA256:-"automatic"}"
 
 TERRAFORM_GPG_KEY="72D7468F"
-TFLINT_GPG_KEY_URI="https://raw.githubusercontent.com/terraform-linters/tflint/master/8CE69160EB3F2FE9.key"
+TFLINT_GPG_KEY_URI="https://raw.githubusercontent.com/terraform-linters/tflint/v0.46.1/8CE69160EB3F2FE9.key"
 GPG_KEY_SERVERS="keyserver hkps://keyserver.ubuntu.com
 keyserver hkps://keys.openpgp.org
 keyserver hkps://keyserver.pgp.com"