chore(deps): update renovatebot/github-action action to v43.0.20 (#537)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/validate-reconvate-config.yml

@@ -29,7 +29,7 @@ jobs:
             set -eux -o pipefail
             exec renovate-config-validator /workspace/.github/renovate.*
 
-      - uses: renovatebot/[email protected].19
+      - uses: renovatebot/[email protected].20
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           docker-cmd-file: renovate-config-validator.sh