ci: adjust owlbot-java for monorepo (#1500) (#765)

Source-Link: googleapis/synthtool@48f8857
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-java:latest@sha256:b47e411068ffc6e6990cb4e0802fbac9a4488dec7f5f424553518ba21abea208

Author: gcf-owl-bot[bot]

java-container/.github/.OwlBot.lock.yaml

@@ -13,5 +13,6 @@
 # limitations under the License.
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-java:latest
-  digest: sha256:04f254abfe5f47fe73ae6f91d68d55c3b76e722a4943066c3bb0ce03573b4ad9
-# created: 2022-07-18T21:44:23.94208526Z
+  digest: sha256:b47e411068ffc6e6990cb4e0802fbac9a4488dec7f5f424553518ba21abea208
+# created: 2022-07-26T16:25:31.033836225Z
+