Update tomcat Docker tag to v10.0.6

This MR contains the following updates:

Package	Type	Update	Change
tomcat	ironbank-docker	patch	10.0.5-jdk8-openjdk -> 10.0.6-jdk8-openjdk
tomcat		patch	10.0.5 -> 10.0.6
tomcat	stage	patch	10.0.5-jdk8-openjdk -> 10.0.6-jdk8-openjdk

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