docs(elasticsearch): sync 9.4.3 default

[mberlofa]

Summary

• Sync Elasticsearch docs with the chart bump to Elasticsearch 9.4.3.
• Update the documented Elasticsearch and Kibana default image tags.
• Register the existing Elasticsearch playground config in the site sync map.

Validation

• make site-sync-check CHART=elasticsearch
• npm run format:check
• npm run lint
• npm run build
• make release-check REPO=site
• make attribution-check REPO=site

Summary by CodeRabbit

• New Features
  • Added Elasticsearch to the set of charts available in the playground, expanding the charts users can explore there.
• Documentation
  • Updated Elasticsearch documentation to reflect the latest image tag version.
  • Kept Kibana version details aligned with Elasticsearch and refreshed the upgrade notes accordingly.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: b7f90575-5c0a-46b7-9677-e130da761b22

📥 Commits

Reviewing files that changed from the base of the PR and between 24e68e4 and 55904fe.

📒 Files selected for processing (2)

• src/pages/docs/charts/elasticsearch.mdx
• src/pages/playground.astro

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📝 Walkthrough

Walkthrough

Bumped Elasticsearch and Kibana default image tags in documentation from 9.4.2 to 9.4.3, updated the corresponding Upgrade Notes text, and added an elasticsearch entry to the playground's siteSyncPlaygroundConfigs mapping.

Changes

Elasticsearch 9.4.3 documentation and playground update

Layer / File(s)	Summary
Doc image tag and upgrade notes update src/pages/docs/charts/elasticsearch.mdx	Default image.tag and kibana.image.tag values updated from 9.4.2 to 9.4.3, and Upgrade Notes revised to reflect the 9.4.2 → 9.4.3 upstream image change.
Playground config registration src/pages/playground.astro	Added an elasticsearch slug entry to siteSyncPlaygroundConfigs, extending the set used to compute playgroundCharts.

Estimated code review effort: 1 (Trivial) | ~3 minutes

Possibly related PRs

• helmforgedev/site#322: Both PRs extend siteSyncPlaygroundConfigs in src/pages/playground.astro with a new chart slug mapping.
• helmforgedev/site#323: Both PRs add a new chart slug to siteSyncPlaygroundConfigs, changing derived playgroundCharts eligibility.
• helmforgedev/site#357: Both PRs modify siteSyncPlaygroundConfigs to include a new chart slug for the playground sync mechanism.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly reflects the Elasticsearch docs sync to 9.4.3.
Description check	✅ Passed	The description covers the required summary and validation, and the blog section is not applicable here.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch docs/elasticsearch-9.4.3

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