Upgrade Apache Tomcat 8.5.50 - version affected by CVE-2020-9484

Issue Summary

The recently disclosed vulnerability regarding Tomcat affects the following versions:

Apache Tomcat 7x <7.0.103
Apache Tomcat 8x <8.5.54
Apache Tomcat 9x <9.0.34
Apache Tomcat 10x < 10.0.0-M4

We should bundle a more recent version of Tomcat, so that Jira is not affected by this in the future.

Steps to Reproduce

• Check the CVE report.

Expected Results

• Not applicable.

Actual Results

• Not applicable.

Workaround

• Manually upgrade Tomcat according to our documentation.