component/tomcat: include alternate version 9.0.12

component/tomcat/buildout.cfg

@@ -23,6 +23,13 @@ strip-top-level-dir = true
 url = http://www-us.apache.org/dist/tomcat/tomcat-7/v7.0.84/bin/apache-tomcat-7.0.84.tar.gz
 md5sum = 1c6f2c06a90bd7d8a19522749c219a2a
 
+[tomcat9]
+recipe = hexagonit.recipe.download
+ignore-existing = true
+strip-top-level-dir = true
+url = https://www-eu.apache.org/dist/tomcat/tomcat-9/v9.0.12/bin/apache-tomcat-9.0.12.tar.gz
+md5sum = 7283da4a3a6e939adcd8f919be4ba41a
+
 [tomcat7-output]
 # Shared binary location to ease migration
 recipe = plone.recipe.command