chore: release helm-cosmo 0.18.0 🚀

[StarpTech]

🤖 I have created a release beep boop

0.18.0 (2026-04-30)

Features

• controlplane: add support for failover s3 bucket in helm chart (#2803) (9780ce7)
• helm: update minio to latest available version (#2783) (f5e7716)

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Walkthrough

Bumps the helm/cosmo Helm chart from 0.17.0 to 0.18.0 across release metadata, Chart.yaml, README badge, and adds a 0.18.0 changelog entry noting a MinIO dependency update (references issue/commit).

Changes

Cohort / File(s)	Summary
Release metadata \.release-please-manifest.json	Updated helm/cosmo version mapping from 0.17.0 → 0.18.0.
Chart metadata helm/cosmo/Chart.yaml	Bumped Helm chart version from 0.17.0 → 0.18.0.
Documentation / Changelog helm/cosmo/README.md, helm/cosmo/CHANGELOG.md	Updated README chart version badge to 0.18.0 and added 0.18.0 changelog entry documenting MinIO chart update (references #2783, commit f5e7716).

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related PRs

• chore: release helm-cosmo 0.17.0 🚀 #2563: Prior chart release bump modifying the same Chart.yaml, README, CHANGELOG, and release manifest.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and specifically identifies the main change: a Helm chart version release from 0.17.0 to 0.18.0, which aligns perfectly with all file modifications in the changeset.
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.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.

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