⬆️ Update frenck/action-addon-linter action to v2.15.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
frenck/action-addon-linter	action	minor	v2.14.0 -> v2.15.0

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Release Notes

frenck/action-addon-linter (frenck/action-addon-linter)

### [`v2.15.0`](https://togithub.com/frenck/action-addon-linter/releases/tag/v2.15.0) [Compare Source](https://togithub.com/frenck/action-addon-linter/compare/v2.14.0...v2.15.0) ##### What’s changed ##### ✨ New features - Add checks for conflicting mapping options [@​frenck](https://togithub.com/frenck) ([#​163](https://togithub.com/frenck/action-addon-linter/issues/163))

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• [ ] If you want to rebase/retry this PR, check this box

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