deps: update dependency com.google.api.grpc:proto-google-cloud-trace-v1 to v2.81.0 (googleapis#2331)

Author: renovate-bot

pom.xml

@@ -227,7 +227,7 @@
     <dependency>
       <groupId>com.google.api.grpc</groupId>
       <artifactId>proto-google-cloud-trace-v1</artifactId>
-      <version>2.80.0</version>
+      <version>2.81.0</version>
       <scope>test</scope>
     </dependency>