Bump fetch-undici from 4.0.1 to 5.0.0

Bumps [fetch-undici](https://github.com/bcomnes/fetch-undici) from 4.0.1 to 5.0.0.
- [Release notes](https://github.com/bcomnes/fetch-undici/releases)
- [Changelog](https://github.com/bcomnes/fetch-undici/blob/master/CHANGELOG.md)
- [Commits](bcomnes/fetch-undici@v4.0.1...v5.0.0)

---
updated-dependencies:
- dependency-name: fetch-undici
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -37,7 +37,7 @@
   },
   "dependencies": {
     "classnames": "^2.3.2",
-    "fetch-undici": "^4.0.1",
+    "fetch-undici": "^5.0.0",
     "jsonfeed-to-atom": "^1.2.4",
     "local-storage-proxy": "^4.0.2",
     "mine.css": "^10.0.0",