Bump @11ty/eleventy-fetch from 4.0.1 to 5.0.1

Bumps [@11ty/eleventy-fetch](https://github.com/11ty/eleventy-fetch) from 4.0.1 to 5.0.1.
- [Release notes](https://github.com/11ty/eleventy-fetch/releases)
- [Commits](11ty/eleventy-fetch@v4.0.1...v5.0.1)

---
updated-dependencies:
- dependency-name: "@11ty/eleventy-fetch"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -22,7 +22,7 @@
   },
   "dependencies": {
     "@11ty/eleventy": "^2.0.0",
-    "@11ty/eleventy-fetch": "^4.0.1",
+    "@11ty/eleventy-fetch": "^5.0.1",
     "@11ty/eleventy-plugin-rss": "^1.2.0",
     "@x-govuk/govuk-eleventy-plugin": "^6.6.1"
   },