templates/renovate.yml

 # yaml-language-server: $schema=https://gitlab.com/gitlab-org/gitlab/-/raw/master/app/assets/javascripts/editor/schema/ci.json
+spec:
+  inputs:
+    stage:
+      type: string
+      description: "Build stage"
+      default: deploy
+
 ---
 variables:
   RENOVATE:
@@ -15,7 +22,7 @@ variables:
       - "true"
 
 renovate:
-  stage: deploy
+  stage: $[[ inputs.stage ]]
   interruptible: false
   image:
     name: $HARBOR_REGISTRY/docker/renovate:latest