build: update .OwlBot.lock with new version of post-processor (#576)

* build: update .OwlBot.lock with new version of post-processor

* 🦉 Updates from OwlBot

Co-authored-by: gcf-owl-bot[bot] <78513119+gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: gcf-owl-bot[bot]

handwritten/nodejs-logging-winston/.github/.OwlBot.lock.yaml

@@ -1,3 +1,3 @@
 docker:
-  digest: sha256:256df8953e97a55641beb6496ec3ab3551231ee7a1b38abfa32d0c25965caf62
+  digest: sha256:aed9ee30842aa5605b8462743b5d31b8610e022a964b9b6e1e217c6678a6b5b7
   image: gcr.io/repo-automation-bots/owlbot-nodejs:latest