deps: update dependency com.google.api.grpc:proto-google-cloud-bigqueryconnection-v1 to v2.18.0 (#2648)

* deps: update dependency com.google.api.grpc:proto-google-cloud-bigqueryconnection-v1 to v2.18.0

* 🦉 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>

Author: renovate-bot

pom.xml

@@ -167,7 +167,7 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-bigqueryconnection-v1</artifactId>
-        <version>2.16.0</version>
+        <version>2.18.0</version>
         <scope>test</scope>
       </dependency>
     </dependencies>