chore(release.yaml): test if multiple items in a list, create a list

Signed-off-by: Vojtěch Mareš <vojtech@mares.cz>

.woodpecker/lint.yaml

@@ -0,0 +1,15 @@
+when:
+  - event: [pull_request, tag, cron]
+  - event: push
+    branch:
+      - ${CI_REPO_DEFAULT_BRANCH}
+      - renovate/*
+
+steps:
+  lint-dockerfile:
+    image: ghcr.io/hadolint/hadolint:v2.13.1-alpine # 2025-09-02
+    depends_on: []
+    commands:
+      - hadolint --ignore DL3003 --ignore DL3018 Dockerfile
+    when:
+      path: "Dockerfile"

.woodpecker/release.yaml

@@ -56,6 +56,7 @@ steps:
     settings:
       images:
         - registry.mareshq.com/woodpecker-plugins/cosign-sign:next
+        - registry.mareshq.com/woodpecker-plugins/cosign-sign:next
     when:
       event: push
       branch: main