fix: remove obsolete extractVersion

[yocaba]

What

Closes #78

Why

extractVersion seems to break the renovate config. And we actually don't need to strip a v in the version tag.

Testing

none

Checklist

• Tests added/updated n/a
• No breaking changes (or upgrade path documented above)
• Readable commit history (squashed and cleaned up as desired)
• AI code review considered and comments resolved

Summary by CodeRabbit

• Chores
  • Refined Helm chart dependency management configuration. Updated automated version extraction settings in the dependency management system to streamline how chart versions are identified, tracked, and updated. This adjustment optimizes the process for maintaining Helm-based dependencies.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: bb3077f3-f08f-4c66-8520-2a9e4ab6d4e4

📥 Commits

Reviewing files that changed from the base of the PR and between e5e5264 and 6e3b47d.

📒 Files selected for processing (1)

• renovate.json

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📝 Walkthrough

Walkthrough

This PR fixes a Renovate configuration error by removing an invalid extractVersion setting from the Helm custom manager in renovate.json. The configuration now specifies only datasourceTemplate: "helm" for that manager, resolving the validation issue blocking Renovate operations.

Changes

Renovate Helm Configuration Fix

Layer / File(s)	Summary
Remove invalid extractVersion from Helm custom manager renovate.json	The extractVersion pattern is removed from the Helm custom manager configuration, leaving only datasourceTemplate: "helm" to resolve the Renovate configuration validation error.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• opendefensecloud/ocm-components#68: Also modifies renovate.json's customManagers configuration entries.
• opendefensecloud/ocm-components#69: Directly relates to Helm extractVersion logic in the same customManagers setup.

Suggested reviewers

• olzemal

Poem

🐰 A config bug fixed with one swift line,
extractVersion gone, Renovate now divine!
From error to grace, the Helm chart flows free,
One tiny deletion, solution we see! ✨

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title 'fix: remove obsolete extractVersion' directly and clearly summarizes the main change made in the pull request.
Description check	✅ Passed	The description covers all essential sections: What (closes #78), Why (extractVersion breaks config), Testing (none applied), and a completed checklist with notes.
Linked Issues check	✅ Passed	The change directly addresses issue #78 by removing the problematic extractVersion configuration that was causing Renovate errors.
Out of Scope Changes check	✅ Passed	All changes are scoped to fixing the Renovate configuration issue in renovate.json as required by issue #78; no unrelated changes present.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/helm-version-update

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[yocaba]

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