deps: update dependency com.google.guava:guava to v30 (#550)

Author: renovate-bot

samples/snippets/cloud-client/src/pom.xml

@@ -67,7 +67,7 @@
  <dependency>
  <groupId>com.google.guava</groupId>
  <artifactId>guava</artifactId>
- <version>23.6-jre</version>
+ <version>30.1-jre</version>
  </dependency>
  <!-- Removes the dependency of driver binary file -->
  <dependency>