Update dependency webpack to v5.99.8 (TryGhost#23194)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [webpack](https://redirect.github.com/webpack/webpack) | [`5.99.7` ->
`5.99.8`](https://renovatebot.com/diffs/npm/webpack/5.99.7/5.99.8) |
[![age](https://developer.mend.io/api/mc/badges/age/npm/webpack/5.99.8?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/webpack/5.99.8?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/webpack/5.99.7/5.99.8?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/webpack/5.99.7/5.99.8?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>webpack/webpack (webpack)</summary>

###
[`v5.99.8`](https://redirect.github.com/webpack/webpack/releases/tag/v5.99.8)

[Compare
Source](https://redirect.github.com/webpack/webpack/compare/v5.99.7...v5.99.8)

##### Fixes

-   Fixed type error with latest `@types/node`
-   Fixed typescript types

</details>

---

### Configuration

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🚦 **Automerge**: Enabled.

♻ **Rebasing**: Never, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
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---

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ghost/admin/package.json

@@ -178,7 +178,7 @@
     "jose": "4.15.9",
     "lru-cache": "6.0.0",
     "path-browserify": "1.0.1",
-    "webpack": "5.99.7"
+    "webpack": "5.99.8"
   },
   "nx": {
     "targets": {

yarn.lock

@@ -31380,10 +31380,10 @@ webpack-virtual-modules@^0.5.0:
   resolved "https://registry.yarnpkg.com/webpack-virtual-modules/-/webpack-virtual-modules-0.5.0.tgz#362f14738a56dae107937ab98ea7062e8bdd3b6c"
   integrity sha512-kyDivFZ7ZM0BVOUteVbDFhlRt7Ah/CSPwJdi8hBpkK7QLumUqdLtVfm/PX/hkcnrvr0i77fO5+TjZ94Pe+C9iw==
 
-webpack@5.99.7:
-  version "5.99.7"
-  resolved "https://registry.yarnpkg.com/webpack/-/webpack-5.99.7.tgz#60201c1ca66da046b07d006c2f6e0cc5e8a7bdba"
-  integrity sha512-CNqKBRMQjwcmKR0idID5va1qlhrqVUKpovi+Ec79ksW8ux7iS1+A6VqzfZXgVYCFRKl7XL5ap3ZoMpwBJxcg0w==
+webpack@5.99.8:
+  version "5.99.8"
+  resolved "https://registry.yarnpkg.com/webpack/-/webpack-5.99.8.tgz#dd31a020b7c092d30c4c6d9a4edb95809e7f5946"
+  integrity sha512-lQ3CPiSTpfOnrEGeXDwoq5hIGzSjmwD72GdfVzF7CQAI7t47rJG9eDWvcEkEn3CUQymAElVvDg3YNTlCYj+qUQ==
   dependencies:
     "@types/eslint-scope" "^3.7.7"
     "@types/estree" "^1.0.6"