[Image Request]: Add Java 21 (LTS)

[NoltoxGit]

Does this apply to existing image

Yes

What's the image for (e.g. NodeJS, Dotnet, Shenandoah, etc)

Java Azul Zulu, Java Amazon Corretto, Java Eclipse Temurin, Java GraalVM

Image Request

Here is the list of platforms supported by Java 21 :

Java Azul Zulu :

• https://www.azul.com/downloads/?version=java-21-lts&package=jdk#zulu

Java Amazon Corretto :

• https://docs.aws.amazon.com/corretto/latest/corretto-21-ug/downloads-list.html

Java Eclipse Temurin :

• https://adoptium.net/fr/temurin/releases/?version=21

Java GraalVM :

• https://www.oracle.com/java/technologies/downloads/#graalvmjava21

Java OpenJ9 :

• Does not yet exist...

Java Dragonwell :

• Does not yet exist...

Java Shenandoah :

• Does not yet exist...