Upgrade Guava in response to CVE-2018-10237 vulnerability

Author: russgold

pom.xml

@@ -102,7 +102,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>18.0</version>
+            <version>[24.1.1,)</version>
             <scope>test</scope>
         </dependency>
         <dependency>