Update dependency typedoc-plugin-markdown to v4.0.3

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
typedoc-plugin-markdown (source)	4.0.2 -> 4.0.3

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Release Notes

typedoc2md/typedoc-plugin-markdown (typedoc-plugin-markdown)

### [`v4.0.3`](https://togithub.com/typedoc2md/typedoc-plugin-markdown/blob/HEAD/packages/typedoc-plugin-markdown/CHANGELOG.md#403-2024-05-27) [Compare Source](https://togithub.com/typedoc2md/typedoc-plugin-markdown/compare/typedoc-plugin-markdown@4.0.2...typedoc-plugin-markdown@4.0.3) ##### Patch Changes - Remove superfluous quotes from prop names ([#​619](https://togithub.com/typedoc2md/typedoc-plugin-markdown/issues/619)) - Fix display of index descriptions in tables ([#​618](https://togithub.com/typedoc2md/typedoc-plugin-markdown/issues/618))

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