bump(deps): update dependency hastscript to v8 (#659)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [hastscript](https://togithub.com/syntax-tree/hastscript) | [`^7.2.0`
-> `^8.0.0`](https://renovatebot.com/diffs/npm/hastscript/7.2.0/8.0.0) |
[![age](https://developer.mend.io/api/mc/badges/age/npm/hastscript/8.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/hastscript/8.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/hastscript/7.2.0/8.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/hastscript/7.2.0/8.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>syntax-tree/hastscript (hastscript)</summary>

###
[`v8.0.0`](https://togithub.com/syntax-tree/hastscript/releases/tag/8.0.0)

[Compare
Source](https://togithub.com/syntax-tree/hastscript/compare/7.2.0...8.0.0)

##### change

-
[`04a40a5`](https://togithub.com/syntax-tree/hastscript/commit/04a40a5)
Update `@types/hast`, utilities
    **migrate**: update too
-
[`234405b`](https://togithub.com/syntax-tree/hastscript/commit/234405b)
Change to require Node.js 16
    **migrate**: update too
-
[`7e27d65`](https://togithub.com/syntax-tree/hastscript/commit/7e27d65)
Remove `hastscript/html` (auto runtime) from `exports`
    **migrate**: use `hastscript`
-
[`6976cbb`](https://togithub.com/syntax-tree/hastscript/commit/6976cbb)
Remove `hastscript/html`, `hastscript/svg` from `exports`
    **migrate**: use `hastscript`

**Full Changelog**:
syntax-tree/hastscript@7.2.0...8.0.0

</details>

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packages/contented-pipeline-md/package.json

@@ -43,7 +43,7 @@
     "@jsdevtools/rehype-toc": "^3.0.2",
     "@sindresorhus/slugify": "^2.2.1",
     "hast-util-to-string": "^2.0.0",
-    "hastscript": "^7.2.0",
+    "hastscript": "^8.0.0",
     "js-yaml": "^4.1.0",
     "lodash": "^4.17.21",
     "mdast-util-directive": "^3.0.0",