refactor: use renovate template

.drone.yml

@@ -20,27 +20,16 @@ steps:
   - go run gotest.tools/gotestsum@latest -f pkgname-and-test-fails -- -race -shuffle=on ./...
 
 ---
-kind: pipeline
+kind: template
-type: docker
+load: renovate.yaml
-name: housekeeping
+data:
+  gitea_token:
+    from_secret: gitea_token
+  github_token:
+    from_secret: github_token
 
 trigger:
   event:
     - cron
   cron:
     - housekeeping
-
-steps:
-  - name: Renovate
-    image: code.icb4dc0.de/prskr/ci-images/renovate:latest
-    commands:
-      - renovate "${DRONE_REPO}"
-    environment:
-      RENOVATE_TOKEN:
-        from_secret: gitea_token
-      GITHUB_COM_TOKEN:
-        from_secret: github_token
-      RENOVATE_PLATFORM: gitea
-      RENOVATE_AUTODISCOVER: "false"
-      RENOVATE_ENDPOINT: https://code.icb4dc0.de/api/v1
-      LOG_LEVEL: info