Merge pull request #2990 from moreal/fix-workflows

ci: run gh-actions validation every pushing and cron

.github/workflows/validate-github-actions-workflows.yml

@@ -1,9 +1,8 @@
 name: validate GitHub Actions workflows
 on:
   push:
-    paths:
-      - .github/workflows/*
-
+  schedule:
+    - cron: "0 0 * * *"
   pull_request:
     paths:
       - .github/workflows/*
@@ -14,5 +13,10 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - run: |
+          set -ev
           bash <(curl https://raw.githubusercontent.com/rhysd/actionlint/main/scripts/download-actionlint.bash)
-          ./actionlint
+          args=()
+          if [ "${{ github.event_name }}" != "schedule" ]; then
+            args+=("-ignore" "the runner of \".+\" action is too old to run on GitHub Actions.")
+          fi
+          ./actionlint "${args[@]}"