Update dependency org.apache.tomcat:tomcat to v8.5.78

Author: renovate-bot

gradle.properties

@@ -44,7 +44,7 @@ personDirectoryVersion=1.8.5
 plutoVersion=2.1.0-M3
 slf4jVersion=1.7.21
 springVersion=3.2.9.RELEASE
-tomcatVersion=8.5.35
+tomcatVersion=8.5.78
 waroverlayPluginVersion=0.9.3
 xercesImplVersion=2.9.1
 nodejsVersion=10.14.2