chore: preserve MessageDataMatcher from being deleted by owl bot (#1724)

* chore: preserve MessageDataMatcher from being deleted by owl bot

* 🦉 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>

.github/.OwlBot.yaml

@@ -34,6 +34,7 @@ deep-preserve-regex:
 - "/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/FakePublisherServiceImpl.java"
 - "/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/FakeScheduledExecutorService.java"
 - "/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/FakeSubscriberServiceImpl.java"
+- "/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MessageDataMatcher.java"
 - "/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MessageDispatcherTest.java"
 - "/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/OpenCensusUtilTest.java"
 - "/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/PublisherImplTest.java"

README.md

@@ -59,13 +59,13 @@ implementation 'com.google.cloud:google-cloud-pubsub'
 If you are using Gradle without BOM, add this to your dependencies:
 
 ```Groovy
-implementation 'com.google.cloud:google-cloud-pubsub:1.124.2'
+implementation 'com.google.cloud:google-cloud-pubsub:1.125.0'
 ```
 
 If you are using SBT, add this to your dependencies:
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-pubsub" % "1.124.2"
+libraryDependencies += "com.google.cloud" % "google-cloud-pubsub" % "1.125.0"
 ```
 <!-- {x-version-update-end} -->
 
@@ -408,7 +408,7 @@ Java is a registered trademark of Oracle and/or its affiliates.
 [kokoro-badge-link-5]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-pubsub/java11.html
 [stability-image]: https://img.shields.io/badge/stability-stable-green
 [maven-version-image]: https://img.shields.io/maven-central/v/com.google.cloud/google-cloud-pubsub.svg
-[maven-version-link]: https://central.sonatype.com/artifact/com.google.cloud/google-cloud-pubsub/1.124.2
+[maven-version-link]: https://central.sonatype.com/artifact/com.google.cloud/google-cloud-pubsub/1.125.0
 [authentication]: https://github.com/googleapis/google-cloud-java#authentication
 [auth-scopes]: https://developers.google.com/identity/protocols/oauth2/scopes
 [predefined-iam-roles]: https://cloud.google.com/iam/docs/understanding-roles#predefined_roles