Update dependency org.jetbrains:markdown to v0.7.3

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.jetbrains:markdown	0.6.1 -> 0.7.3

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Release Notes

JetBrains/markdown (org.jetbrains:markdown)

### [`v0.7.3`](https://togithub.com/JetBrains/markdown/blob/HEAD/CHANGELOG.md#073) - Removed fastutil dependency - Updated Kotlin version to `2.0.0` ### [`v0.7.2`](https://togithub.com/JetBrains/markdown/blob/HEAD/CHANGELOG.md#072) - Fixed handling of html entities inside mathematical expressions ### [`v0.7.1`](https://togithub.com/JetBrains/markdown/blob/HEAD/CHANGELOG.md#071) - Fixed parsing of code spans with backslashes and spaces - Updated mathematical expressions in GFM to trim surrounding backticks and whitespaces ### [`v0.7.0`](https://togithub.com/JetBrains/markdown/blob/HEAD/CHANGELOG.md#070) - \[[#​133](https://togithub.com/JetBrains/markdown/issues/133)] Added support for mathematical expressions in GFM - \[[#​140](https://togithub.com/JetBrains/markdown/issues/140)] Added wasmJs target - \[[#​146](https://togithub.com/JetBrains/markdown/issues/146)] Added linuxArm64 target - \[[#​149](https://togithub.com/JetBrains/markdown/issues/149)] Fixed parsing of code spans with backslashes and spaces

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