fix(deps): update dependency @blocknote/mantine to v0.19.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@blocknote/mantine	0.18.1 -> 0.19.0

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Release Notes

TypeCellOS/BlockNote (@​blocknote/mantine)

### [`v0.19.0`](https://redirect.github.com/TypeCellOS/BlockNote/releases/tag/v0.19.0): : Column layouts, PDF and Docx exports [Compare Source](https://redirect.github.com/TypeCellOS/BlockNote/compare/v0.18.1...v0.19.0) *💖 Column-based layouts have been sponsored by [Capitol AI](https://www.capitol.ai/) 💖 💖 File exporters have been sponsored by [DINUM](https://www.numerique.gouv.fr/dinum/) 🇫🇷 and [ZenDiS](https://zendis.de/) 🇩🇪* #### Column based layouts #### File exporters: client-side export to docx and pdf #### What's XL, you wonder? These packages have been published as `@blocknote/xl-multi-column`, `@blocknote/xl-pdf-exporter` and `@blocknote/xl-docx-exporter`. We're 100% committed to developing all our work open source. To ensure we run a sustainable project, we are experimenting with _XL_ packages. These are dual-licensed packages that are released under AGPL-3.0 licenses. You're free to use these in open source projects, but for usage in proprietary / commercial projects, a [sponsorship](https://www.blocknotejs.org/pricing) is required. #### What's Changed * feature: File exporters (docx and pdf) by @​Yousef[https://github.com/TypeCellOS/BlockNote/pull/1143](https://redirect.github.com/TypeCellOS/BlockNote/pull/1143)l/1143 * feature: Column based layouts by @​YousefED and @​matth[https://github.com/TypeCellOS/BlockNote/pull/1154](https://redirect.github.com/TypeCellOS/BlockNote/pull/1154)te/pull/1154 * chore: fixed typo in documentation page by @​irakli22[https://github.com/TypeCellOS/BlockNote/pull/1195](https://redirect.github.com/TypeCellOS/BlockNote/pull/1195)l/1195 * chore: externalize shiki languages by @​Yousef[https://github.com/TypeCellOS/BlockNote/pull/1216](https://redirect.github.com/TypeCellOS/BlockNote/pull/1216)l/1216 * fix: react 19 strictmode race condition by @​Yousef[https://github.com/TypeCellOS/BlockNote/pull/1196](https://redirect.github.com/TypeCellOS/BlockNote/pull/1196)l/1196 #### New Contributors * @​irakli2206 made their first contributi[https://github.com/TypeCellOS/BlockNote/pull/1195](https://redirect.github.com/TypeCellOS/BlockNote/pull/1195)l/1195 **Full Changelog**: https://github.com/TypeCellOS/BlockNote/compare/v0.18.1...v0.19.0

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[AleksandarDev]

:tada: This PR is included in version 1.175.0-next.3 :tada:

The release is available on GitHub release

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[AleksandarDev]

:tada: This PR is included in version 1.175.0 :tada:

The release is available on GitHub release

Your semantic-release bot :package::rocket: