update github-action to 40.3.1 (#485)

Co-authored-by: Gökçe Gök Klingel <goekce.goek_klingel@stackit.cloud>

Author: GokceGK

.github/workflows/renovate.yaml

@@ -13,7 +13,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Self-hosted Renovate
-        uses: renovatebot/github-action@v40.2.6
+        uses: renovatebot/github-action@v40.3.1
         with:
           configurationFile: .github/renovate.json
           token: ${{ secrets.RENOVATE_TOKEN }}