feat:自動でvalidationするCIを追加 (#1203)

* feat:自動でvalidationするCIを追加

* permissions追加やpaths変更などをした

* hashfilesへ変更とfindするディレクトリ変更

* path修正とworkflow_dispatch追加

* setup-nodeとpackage renovate追加

Author: y33550336

.github/workflows/validate-renovate-config.yaml

@@ -0,0 +1,28 @@
+name: Validate Renovate Config
+
+on:
+  pull_request:
+    paths:
+      - ".github/renovate-bot.js"
+      - ".github/renovate/**"
+  workflow_dispatch:
+
+jobs:
+  validate:
+    permissions:
+      contents: read
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v5
+      - uses: actions/setup-node@v6
+        with:
+          node-version: '24'
+
+      - name: Validate renovate-bot.js
+        if: ${{ hashFiles('.github/renovate-bot.js') != '' }}
+        run: |
+          npx --yes --package renovate -- renovate-config-validator .github/renovate-bot.js
+
+      - name: Validate renovate directory configs
+        run: |
+          find .github/renovate -type f -name '*.json' -exec npx --yes renovate-config-validator {} \;