deps: update dependency com.google.http-client:google-http-client to v2

Author: renovate-bot

google-cloud-bigquerystorage/pom.xml

@@ -200,7 +200,7 @@
     <dependency>
       <groupId>com.google.http-client</groupId>
       <artifactId>google-http-client</artifactId>
-      <version>1.47.1</version>
+      <version>2.0.2</version>
       <scope>test</scope>
     </dependency>
     <dependency>