Upgrade tomcat 9.0.4

Author: slandelle

pom.xml

@@ -401,7 +401,7 @@
     <logback.version>1.2.3</logback.version>
     <testng.version>6.13.1</testng.version>
     <jetty.version>9.4.8.v20171121</jetty.version>
-    <tomcat.version>9.0.2</tomcat.version>
+    <tomcat.version>9.0.4</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>