chore: README template fix in google-cloud-java (#1785) (#1314)

* chore: README template fix in google-cloud-java (#1785)

Source-Link: googleapis/synthtool@43c709a
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-java:latest@sha256:3387f93d4577788512112ff69ddab746ae9192ddd9f13cfd175ef310d62d7d30

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

---------

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

.github/.OwlBot.lock.yaml

@@ -13,4 +13,4 @@
 # limitations under the License.
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-java:latest
-  digest: sha256:944c07e458ce227ca49a423affedf088e31e2ee70908dd21682238d58f1beb60
+  digest: sha256:944c07e458ce227ca49a423affedf088e31e2ee70908dd21682238d58f1beb60

README.md

@@ -52,7 +52,7 @@ If you are using Maven without the BOM, add this to your dependencies:
 If you are using Gradle 5.x or later, add this to your dependencies:
 
 ```Groovy
-implementation platform('com.google.cloud:libraries-bom:26.11.0')
+implementation platform('com.google.cloud:libraries-bom:26.12.0')
 
 implementation 'com.google.cloud:google-cloud-logging'
 ```