Update renovatebot/github-action action to v43.0.18

Author: small-hack-renovate[bot]

.github/workflows/renovate.yml

@@ -26,7 +26,7 @@ jobs:
         uses: actions/checkout@v5.0.0
 
       - name: Self-hosted Renovate
-        uses: renovatebot/github-action@v43.0.17
+        uses: renovatebot/github-action@v43.0.18
         with:
           token: '${{ steps.get_token.outputs.token }}'
           configurationFile: .github/renovate-config.json