Security update for tomcat (moderate)

This update for tomcat to 9.0.12 fixes the following issues:

See the full changelog at:
<a href=“http://tomcat.apache.org/tomcat-9.0-doc/changelog.html#Tomcat_9.0.12_”>http://tomcat.apache.org/tomcat-9.0-doc/changelog.html#Tomcat_9.0.12_</a>(markt
)

Security issues fixed:

• CVE-2018-11784: When the default servlet in Apache Tomcat returned a
  redirect to a directory (e.g. redirecting to ‘/foo/’ when the user
  requested ‘/foo’) a specially crafted URL could be used to cause the
  redirect to be generated to any URI of the attackers choice.
  (bsc#1110850)

This update was imported from the SUSE:SLE-15:Update update project.