Add Bellsoft Liberica native-image 21

[Dimibe]

Summary

This PR adds the native-image support for Java 21

Use Cases

Building native-image with Java 21

Checklist

• I have viewed, signed, and submitted the Contributor License Agreement.
• I have linked issue(s) that this PR should close using keywords or the Github UI (See docs)
• I have added an integration test, if necessary.
• I have reviewed the styleguide for guidance on my code quality.
• I'm happy with the commit history on this PR (I have rebased/squashed as needed).

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: Dimibe / name: Dimitrios Begnis (d04e7c5)

[dmikusa]

Thanks for this PR! It's been merged and a new buildpack release is running now. It has missed the window to be included in this weeks release train for the paketo-buildpacks/java buildpack, but you can use it in the meantime by following these instructions and using the latest release of Bellsoft buildpack.

https://paketo.io/docs/howto/java/#use-an-alternative-jvm

It'll go out in next week's release of paketo-buildpacks/java.