Add renovate.json

.woodpecker/pr.yml

@@ -2,28 +2,25 @@ when:
   - event: pull_request
 
 steps:
-  - name: install
+  - name: lint
     image: node:24-slim
     depends_on: []
     commands:
       - npm ci
-
-  - name: lint
-    image: node:24-slim
-    depends_on: [install]
-    commands:
       - npm run lint
 
   - name: test
     image: node:24-slim
-    depends_on: [install]
+    depends_on: []
     commands:
+      - npm ci
       - npm run test
 
   - name: e2e
     image: mcr.microsoft.com/playwright:v1.58.2-noble
-    depends_on: [install]
+    depends_on: []
     commands:
+      - npm ci
       - ./scripts/gen-dev-cert.sh
       - npm run test:e2e
     environment: