Add Java 21 jre ubi9 minimal image

[tjwatson]

No description provided.

[leochr]

@tjwatson Looks good. Just a minor comment. Thank you

[leochr]

@tjwatson Thanks for the update. The Java 21 Dockerfiles for can be copied over to the 24.0.0.1 directory. kernel-slim can be copied over as is. But the base/parent image for full needs to append the version 24.0.0.1- to the beginning of the tag.

[tjwatson]

@tjwatson Thanks for the update. The Java 21 Dockerfiles for can be copied over to the 24.0.0.1 directory. kernel-slim can be copied over as is. But the base/parent image for full needs to append the version 24.0.0.1- to the beginning of the tag.

Done