Update plengauer/autorerun action to v0.21.0 (#144)

Co-authored-by: Renovate Bot <[email protected]>

Author: actions-bot-pl

.github/workflows/autorerun.yaml

@@ -15,6 +15,6 @@ jobs:
         env:
           OTEL_EXPORTER_OTLP_ENDPOINT: '${{ secrets.OTEL_EXPORTER_OTLP_ENDPOINT }}'
           OTEL_EXPORTER_OTLP_HEADERS: '${{ secrets.OTEL_EXPORTER_OTLP_HEADERS }}'
-      - uses: plengauer/autorerun@v0.20.0
+      - uses: plengauer/autorerun@v0.21.0
         with:
           github_token: ${{ secrets.ACTIONS_GITHUB_TOKEN }}