Update markdown.version to v0.15.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.mikepenz:multiplatform-markdown-renderer-m3	0.14.0 -> 0.15.0
com.mikepenz:multiplatform-markdown-renderer	0.14.0 -> 0.15.0

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[!WARNING] Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

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Release Notes

mikepenz/multiplatform-markdown-renderer (com.mikepenz:multiplatform-markdown-renderer-m3)

### [`v0.15.0`](https://togithub.com/mikepenz/multiplatform-markdown-renderer/releases/tag/v0.15.0) ##### 🚀 Features - Offer new color option for `inlineCodeText` - PR: [#​134](https://togithub.com/mikepenz/multiplatform-markdown-renderer/issues/134) - Thanks [@​ZacSweers](https://togithub.com/ZacSweers) - Include support for `GFMElementTypes.STRIKETHROUGH` - PR: [#​138](https://togithub.com/mikepenz/multiplatform-markdown-renderer/issues/138) - Thanks [@​ZacSweers](https://togithub.com/ZacSweers) ##### 🐛 Fixes - Fix text following a link is still clickable - PR: [#​135](https://togithub.com/mikepenz/multiplatform-markdown-renderer/issues/135) - Thanks [@​diegoberaldin](https://togithub.com/diegoberaldin) - Use the correct color for the `divider` - PR: [#​137](https://togithub.com/mikepenz/multiplatform-markdown-renderer/issues/137) - Thanks [@​ZacSweers](https://togithub.com/ZacSweers)

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