fix(deps): update dependency flutter_markdown to ^0.7.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
flutter_markdown (source)	dependencies	minor	^0.6.20+1 -> ^0.7.0

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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

flutter/packages (flutter_markdown)

### [`v0.7.4+1`](https://redirect.github.com/flutter/packages/blob/HEAD/packages/flutter_markdown/CHANGELOG.md#0741) [Compare Source](https://redirect.github.com/flutter/packages/compare/flutter_markdown-v0.7.4+1...flutter_markdown-v0.7.4+1) - Makes it so that custom blocks are not limited to being a Column or SizedBox. ### [`v0.7.4`](https://redirect.github.com/flutter/packages/blob/HEAD/packages/flutter_markdown/CHANGELOG.md#0741) [Compare Source](https://redirect.github.com/flutter/packages/compare/flutter_markdown-v0.7.3+2...flutter_markdown-v0.7.4+1) - Makes it so that custom blocks are not limited to being a Column or SizedBox. ### [`v0.7.3+2`](https://redirect.github.com/flutter/packages/blob/HEAD/packages/flutter_markdown/CHANGELOG.md#0732) [Compare Source](https://redirect.github.com/flutter/packages/compare/flutter_markdown-v0.7.3+2...flutter_markdown-v0.7.3+2) - Resolves an issue where code blocks in markdown were not highlighted during selection. ### [`v0.7.3+1`](https://redirect.github.com/flutter/packages/blob/HEAD/packages/flutter_markdown/CHANGELOG.md#0731) [Compare Source](https://redirect.github.com/flutter/packages/compare/flutter_markdown-v0.7.3+2...flutter_markdown-v0.7.3+2) - Fixes issue with table column alignments not being respected. - Updates minimum supported SDK version to Flutter 3.19/Dart 3.3. ### [`v0.7.3`](https://redirect.github.com/flutter/packages/blob/HEAD/packages/flutter_markdown/CHANGELOG.md#0732) [Compare Source](https://redirect.github.com/flutter/packages/compare/flutter_markdown-v0.7.2+1...flutter_markdown-v0.7.3+2) - Resolves an issue where code blocks in markdown were not highlighted during selection. ### [`v0.7.2+1`](https://redirect.github.com/flutter/packages/blob/HEAD/packages/flutter_markdown/CHANGELOG.md#0721) [Compare Source](https://redirect.github.com/flutter/packages/compare/flutter_markdown-v0.7.2+1...flutter_markdown-v0.7.2+1) - Fixes a crash caused by text selection when `selectable` is true and `onSelectionChanged` is null. ### [`v0.7.2`](https://redirect.github.com/flutter/packages/blob/HEAD/packages/flutter_markdown/CHANGELOG.md#0721) [Compare Source](https://redirect.github.com/flutter/packages/compare/flutter_markdown-v0.7.1...flutter_markdown-v0.7.2+1) - Fixes a crash caused by text selection when `selectable` is true and `onSelectionChanged` is null. ### [`v0.7.1`](https://redirect.github.com/flutter/packages/blob/HEAD/packages/flutter_markdown/CHANGELOG.md#071) [Compare Source](https://redirect.github.com/flutter/packages/compare/flutter_markdown-v0.7.0...flutter_markdown-v0.7.1) - Allows for choosing a custom font feature to create superscript in footnotes when the font does not support the `supr` font feature. - Use the `superscriptFontFeatureTag` property in `MarkdownStyleSheet`. - For example, for the `Roboto` font which doesn't support `supr`, you can set `numr`. ### [`v0.7.0`](https://redirect.github.com/flutter/packages/blob/HEAD/packages/flutter_markdown/CHANGELOG.md#070) [Compare Source](https://redirect.github.com/flutter/packages/compare/flutter_markdown-v0.6.23...flutter_markdown-v0.7.0) - **BREAKING CHANGES**: - Replaces parameters at `bulletBuilder` with `MarkdownBulletParameters`. - Introduces a new parameter `nestLevel` that exposes the bullet item's nesting level.

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⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

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The artifact failure details are included below:

File name: pubspec.lock

Command failed: flutter pub upgrade flutter_markdown
Because rtu_mirea_app depends on sort_box from path which doesn't exist (could not find package sort_box at "packages/neon/packages/sort_box"), version solving failed.