ci: docker hub image for tflint is deprecated

templates/job/terraform/lint.yml

@@ -13,9 +13,9 @@ terraform-syntax-check:
 
 terraform-lint:
   extends: .base_tpl
-  # https://hub.docker.com/r/hashicorp/terraform/tags
+  # https://github.com/terraform-linters/tflint/pkgs/container/tflint
   image:
-    name: wata727/tflint
+    name: ghcr.io/terraform-linters/tflint:v0.51.1
     entrypoint: ["/bin/sh", "-c"]
   stage: lint
   script: |