chore(.github): Update logback issues and prs assignee (#1497)

* chore(.github): Update logback issues and prs assignee

* 🦉 Updates from OwlBot post-processor

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

---------

Co-authored-by: cindy-peng <[email protected]>
Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: 3 people

.github/blunderbuss.yml

@@ -1,9 +1,9 @@
 # Configuration for the Blunderbuss GitHub app. For more info see
 # https://github.com/googleapis/repo-automation-bots/tree/main/packages/blunderbuss
 assign_issues:
-  - googleapis/api-logging-reviewers
+  - googleapis/api-logging-java-reviewers
 assign_prs:
-  - googleapis/api-logging-reviewers
+  - googleapis/api-logging-java-reviewers
 assign_prs_by:
   - labels:
     - samples

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:26.27.0')
+implementation platform('com.google.cloud:libraries-bom:26.29.0')
 
 implementation 'com.google.cloud:google-cloud-logging'
 ```