Improved JDK Install on Ubuntu

[ian-jarrett]

Need to improve how JDK is installed on Ubuntu platforms. Perhaps best to follow the approach taken for AlmaLinux and pull it down directly from java.net?

https://github.com/Juniper/nita/blob/4cf1d146fa2b946582fbc3effef95fcef4c14e3e/install.sh#L192C1-L192C34