Update dependency typedoc-plugin-markdown to v4.8.0 (#1349)

This PR contains the following updates:

| Package | Change | Age | Confidence |
|---|---|---|---|
| [typedoc-plugin-markdown](https://typedoc-plugin-markdown.org)
([source](https://redirect.github.com/typedoc2md/typedoc-plugin-markdown/tree/HEAD/packages/typedoc-plugin-markdown))
| [`4.7.1` ->
`4.8.0`](https://renovatebot.com/diffs/npm/typedoc-plugin-markdown/4.7.1/4.8.0)
|
[![age](https://developer.mend.io/api/mc/badges/age/npm/typedoc-plugin-markdown/4.8.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/typedoc-plugin-markdown/4.7.1/4.8.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>typedoc2md/typedoc-plugin-markdown
(typedoc-plugin-markdown)</summary>

###
[`v4.8.0`](https://redirect.github.com/typedoc2md/typedoc-plugin-markdown/blob/HEAD/packages/typedoc-plugin-markdown/CHANGELOG.md#480)

[Compare
Source](https://redirect.github.com/typedoc2md/typedoc-plugin-markdown/compare/typedoc-plugin-markdown@4.7.1...f44b2d9e3670b3e9c5c68f5652c4909abcb1b997)

##### Minor Changes

- Exposed additional placeholders in `pageTitleTemplates` and adjusted
default templates
(\[[#&#8203;831](https://redirect.github.com/typedoc2md/typedoc-plugin-markdown/issues/831)]).
- Tweaked the format of abstract class page titles to include the
translated abstract keyword (e.g., "Abstract Class: MyClass") for
improved readability.
- Added `strikeDeprecatedPageTitles` option.

##### Patch Changes

- Fix incorrect link fragments
([#&#8203;832](https://redirect.github.com/typedoc2md/typedoc-plugin-markdown/issues/832)).

</details>

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