Move to `tidied`

.gitlab-ci.yml

@@ -16,9 +16,10 @@ test:
 
 tidy:
   stage: build
+  before_script:
+    - go install gitlab.com/jamietanna/tidied@latest
   script:
-    - go mod tidy
-    - git status; git diff-index --exit-code -p HEAD --
+    - tidied -verbose
 
 generate:
   stage: build