Update dependency com.google.guava:guava to v31

Author: renovate-bot

pom.xml

@@ -649,7 +649,7 @@
             <dependency>
                 <groupId>com.google.guava</groupId>
                 <artifactId>guava</artifactId>
-                <version>30.1.1-jre</version>
+                <version>31.0.1-jre</version>
             </dependency>
             <dependency>
                 <groupId>joda-time</groupId>