chore: new owl bot post processor docker image (#9805)

diff --git a/.github/.OwlBot.lock.yaml b/.github/.OwlBot.lock.yaml
index 0fd22bf..3a9d19b 100644
--- a/.github/.OwlBot.lock.yaml
+++ b/.github/.OwlBot.lock.yaml
@@ -13,4 +13,4 @@
 # limitations under the License.
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-go:latest
-  digest: sha256:bc74ca427096c498e593d7bbd23876c5fd0e7a2c362e99085bc398713a1920d1
+  digest: sha256:5344e4bc9209d857c203a5663ed193cb5b21ccd6f1eeebba8cafd08e99953863