Upgrade deps

Author: slandelle

pom.xml

@@ -445,15 +445,15 @@
     <activation.version>1.2.0</activation.version>
     <netty-reactive-streams.version>2.0.3</netty-reactive-streams.version>
     <rxjava.version>1.3.8</rxjava.version>
-    <rxjava2.version>2.2.10</rxjava2.version>
+    <rxjava2.version>2.2.12</rxjava2.version>
     <logback.version>1.2.3</logback.version>
     <testng.version>6.13.1</testng.version>
     <jetty.version>9.4.18.v20190429</jetty.version>
-    <tomcat.version>9.0.20</tomcat.version>
+    <tomcat.version>9.0.26</tomcat.version>
     <commons-io.version>2.6</commons-io.version>
     <commons-fileupload.version>1.3.3</commons-fileupload.version>
     <privilegedaccessor.version>1.2.2</privilegedaccessor.version>
-    <mockito.version>2.28.2</mockito.version>
+    <mockito.version>3.0.0</mockito.version>
     <hamcrest.version>2.1</hamcrest.version>
     <kerby.version>1.1.1</kerby.version>
   </properties>