⬆️ Update dependency webpack to v5.91.0 (#379)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [webpack](https://togithub.com/webpack/webpack) | [`5.90.3` ->
`5.91.0`](https://renovatebot.com/diffs/npm/webpack/5.90.3/5.91.0) |
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|
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|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/webpack/5.90.3/5.91.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
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|

---

### Release Notes

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

###
[`v5.91.0`](https://togithub.com/webpack/webpack/releases/tag/v5.91.0)

[Compare
Source](https://togithub.com/webpack/webpack/compare/v5.90.3...v5.91.0)

#### Bug Fixes

-   Deserializer for ignored modules doesn't crash
-   Allow the `unsafeCache` option to be a proxy object
-   Normalize the `snapshot.unmanagedPaths` option
-   Fixed `fs` types
-   Fixed resolve's plugins types
-   Fixed wrongly calculate postOrderIndex
-   Fixed watching types
-   Output import attrbiutes/import assertions for external JS imports
- Throw an error when DllPlugin needs to generate multiple manifest
files, but the path is the same
-   \[CSS] Output `layer`/`supports`/`media` for external CSS imports

#### New Features

-   Allow to customize the stage of BannerPlugin
-   \[CSS] Support CSS exports convention
-   \[CSS] support CSS local ident name
-   \[CSS] Support `__webpack_nonce__` for CSS chunks
-   \[CSS] Support `fetchPriority` for CSS chunks
- \[CSS] Allow to use LZW to compress css head meta (enabled in the
`production` mode by default)
-   \[CSS] Support prefetch/preload for CSS chunks

</details>

---

### Configuration

📅 **Schedule**: Branch creation - "before 4am on Monday" in timezone
Europe/Berlin, Automerge - At any time (no schedule defined).

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

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

---

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---

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package.json

@@ -51,6 +51,6 @@
     "prettier": "3.2.5",
     "ts-jest": "29.1.2",
     "typescript": "5.4.3",
-    "webpack": "5.90.3"
+    "webpack": "5.91.0"
   }
 }