Bump tomcat-catalina from 7.0.59 to 7.0.81

Bumps tomcat-catalina from 7.0.59 to 7.0.81.

---
updated-dependencies:
- dependency-name: org.apache.tomcat:tomcat-catalina
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/pom.xml b/pom.xml
index 4e6697e..2a5d780 100644
--- a/pom.xml
+++ b/pom.xml
@@ -73,8 +73,8 @@
     <its.ajp.port>2001</its.ajp.port>
     <!-- server port for it tests -->
     <its.server.port>2008</its.server.port>
-    <tomcat7Version>7.0.59</tomcat7Version>
-    <tomcat8Version>8.0.14</tomcat8Version>
+    <tomcat7Version>7.0.81</tomcat7Version>
+    <tomcat8Version>7.0.81</tomcat8Version>
 
     <!-- to prevent isssues with last apache parent pom -->
     <arguments />