deps: update dependency com.google.cloud:google-cloud-bigquery to v2.1.6 (#1284)

Author: renovate-bot

pom.xml

@@ -83,7 +83,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-bigquery</artifactId>
-        <version>2.1.5</version>
+        <version>2.1.6</version>
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>