fix(deps): update dependency whatwg-fetch to v3.6.19 (#9478)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [whatwg-fetch](https://github.com/github/fetch) | [`3.6.17` ->
`3.6.19`](https://renovatebot.com/diffs/npm/whatwg-fetch/3.6.17/3.6.19)
|
[![age](https://developer.mend.io/api/mc/badges/age/npm/whatwg-fetch/3.6.19?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/whatwg-fetch/3.6.19?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/whatwg-fetch/3.6.17/3.6.19?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/whatwg-fetch/3.6.17/3.6.19?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>github/fetch (whatwg-fetch)</summary>

###
[`v3.6.19`](https://github.com/github/fetch/blob/HEAD/CHANGELOG.md#3619-2023-09-11)

[Compare
Source](https://github.com/github/fetch/compare/v3.6.18...v3.6.19)

##### Bug Fixes

- Have unique error messages for xhr timeouts and errors
([#&#8203;1380](https://github.com/JakeChampion/fetch/issues/1380))
([7170f0b](https://github.com/JakeChampion/fetch/commit/7170f0b127d16c5895aba61c9168482834809046))

###
[`v3.6.18`](https://github.com/github/fetch/blob/HEAD/CHANGELOG.md#v3618)

[Compare
Source](https://github.com/github/fetch/compare/v3.6.17...v3.6.18)

- Fix - File fetching broken since commit
[`0c1d2b9`](https://github.com/github/fetch/commit/0c1d2b9)
[`#1375`](https://github.com/JakeChampion/fetch/pull/1375)
- Remove broken links
[`1dc07c6`](https://github.com/JakeChampion/fetch/commit/1dc07c6064a32e989306fb2324204c56c93140fe)
- automatically generate a changelog
[`0e7d1dd`](https://github.com/JakeChampion/fetch/commit/0e7d1dd95826b3b76510f0832784207f2609145e)

</details>

---

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packages/testing/package.json

@@ -53,7 +53,7 @@
     "jest-watch-typeahead": "2.2.2",
     "msw": "1.3.2",
     "ts-toolbelt": "9.6.0",
-    "whatwg-fetch": "3.6.17"
+    "whatwg-fetch": "3.6.19"
   },
   "devDependencies": {
     "@babel/cli": "7.23.0",

yarn.lock

@@ -9188,7 +9188,7 @@ __metadata:
     msw: 1.3.2
     ts-toolbelt: 9.6.0
     typescript: 5.2.2
-    whatwg-fetch: 3.6.17
+    whatwg-fetch: 3.6.19
   languageName: unknown
   linkType: soft
 
@@ -35587,10 +35587,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"whatwg-fetch@npm:3.6.17":
-  version: 3.6.17
-  resolution: "whatwg-fetch@npm:3.6.17"
-  checksum: eec71f436f02cae5577b4af220e19727eb1d1c63726dc0968e97201f53d81cb53614052765d4be4d2da4f291d18cd213c6db2c9dd12a7ada5cc553f838f09524
+"whatwg-fetch@npm:3.6.19":
+  version: 3.6.19
+  resolution: "whatwg-fetch@npm:3.6.19"
+  checksum: 01dd755492d594c8d71d47811bb3886cdb7d566684daff5ec658cf148fa2418de6b562a94ff8cceaf1cf277bfb99fa6b61258cc20de5053f5817a4d419b5d293
   languageName: node
   linkType: hard