refactor: upgrade elasticsearch image from 8.8.2 to 8.9.2

[hamza-m-masood]

Which problem does the PR fix?

What's in this PR?

Issue: https://github.com/camunda/distribution/issues/140

Checklist

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[hamza-m-masood]

Should I also take this opportunity to update the chart version as well?

[hamza-m-masood]

I have installed the current release locally with the new es version.
I have also upgraded locally using the new es version.
Both are working fine for me.

[aabouzaid]

We need to change it in renovatebot config too.

camunda-platform-helm/.github/renovate.json5

Line 57 in d1f6234

// Limit Elasticsearch version to latest supported version in Camunda v8.3.