Update Guava to latest version (v.30.1.1) (#903)

Author: andrea-guarino-sonarsource

pom.xml

@@ -196,7 +196,7 @@
       <dependency>
         <groupId>com.google.guava</groupId>
         <artifactId>guava</artifactId>
-        <version>29.0-jre</version>
+        <version>30.1.1-jre</version>
       </dependency>