fix: Update the stub to avoid the deprecated *Map method (#1002)

* fix: Update the stub to avoid the deprecated *Map method

* 🦉 Updates from OwlBot post-processor

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

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

google-cloud-logging/src/main/java/com/google/cloud/logging/v2/stub/LoggingServiceV2StubSettings.java

@@ -331,7 +331,7 @@ public ApiFuture<ListLogsPagedResponse> getFuturePagedResponse(
             @Override
             public PartitionKey getBatchPartitionKey(WriteLogEntriesRequest request) {
               return new PartitionKey(
-                  request.getLogName(), request.getResource(), request.getLabels());
+                  request.getLogName(), request.getResource(), request.getLabelsMap());
             }
 
             @Override