Merge pull request #1562 from sullis/guava-28.2

Guava 28.2

Author: dagnir

pom.xml

@@ -117,7 +117,7 @@
         <mockito.version>1.10.19</mockito.version>
         <mockito2.version>2.28.2</mockito2.version>
         <assertj.version>3.8.0</assertj.version>
-        <guava.version>26.0-jre</guava.version>
+        <guava.version>28.2-jre</guava.version>
         <jimfs.version>1.1</jimfs.version>
         <commons-lang.verson>2.3</commons-lang.verson>
         <netty-open-ssl-version>2.0.25.Final</netty-open-ssl-version>