Upgrade JDK to 21.0.9

[mashhurs]

ATTENTION!: Let's make sure all JDK builds are available under our catalog.

Release notes

Bundled JDK upgraded to 21.0.9.

What does this PR do?

Upgrades JDK to 21.0.9

Why is it important/What is the impact to the user?

Leverages latest JDK capabilities.

Checklist

• [ ] My code follows the style guidelines of this project
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [ ] I have made corresponding change to the default configuration files (and/or docker env variables)
• [ ] I have added tests that prove my fix is effective or that my feature works

[github-actions]

🤖 GitHub comments

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[mergify]

This pull request does not have a backport label. Could you fix it @mashhurs? 🙏
To fixup this pull request, you need to add the backport labels for the needed
branches, such as:

• backport-8./d is the label to automatically backport to the 8./d branch. /d is the digit.
• If no backport is necessary, please add the backport-skip label

[elasticmachine]

💛 Build succeeded, but was flaky

• Buildkite Build
• Commit: ada4a91

Failed CI Steps

• 🥼 Integration Tests / part 1-of-6

History

cc @mashhurs

[donoghuc]

the updatecli GHA should be doing this to avoid manually needing to do these. There was a bug causing PRs not to be raised. This is addressed with #18351

[donoghuc]

Looks like arm builds are not there somehow?

➜  logstash git:(fix-java-updater) ✗ curl https://jvm-catalog.elastic.co/jdk/adoptiumjdk-21.0.9+10-linux
{"architecture":"x86_64","filename":"OpenJDK21U-jdk_x64_linux_hotspot_21.0.9_10.tar.gz","id":"adoptiumjdk-21.0.9+10-linux","revision":"10","tags":["adoptiumjdk","x86_64","linux","java21"], ..."version":"21.0.9"}
➜  logstash git:(fix-java-updater) ✗ curl https://jvm-catalog.elastic.co/jdk/adoptiumjdk-21.0.9+10-linux-aarch64
Could not find download for adoptiumjdk-21.0.9+10-linux-aarch64%