Update all dependencies

Author: renovate[bot]

.github/workflows/check-renovatebot-config.yml

@@ -9,9 +9,9 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
 
       - name: Validate
-        uses: suzuki-shunsuke/github-action-renovate-config-validator@v0.1.3
+        uses: suzuki-shunsuke/github-action-renovate-config-validator@v2.1.0
         with:
           config_file_path: .github/renovate.json5