update com.google.guava:guava 27.1-jre -> 28.0-jre

Author: TheSnoozer

pom.xml

@@ -107,7 +107,7 @@
     <dependency>
       <groupId>com.google.guava</groupId>
       <artifactId>guava</artifactId>
-      <version>27.1-jre</version>
+      <version>28.0-jre</version>
     </dependency>
 
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