Bump fetch-mock from 10.0.7 to 12.0.1

Bumps [fetch-mock](https://github.com/wheresrhys/fetch-mock/tree/HEAD/packages/fetch-mock) from 10.0.7 to 12.0.1.
- [Release notes](https://github.com/wheresrhys/fetch-mock/releases)
- [Changelog](https://github.com/wheresrhys/fetch-mock/blob/main/packages/fetch-mock/CHANGELOG.md)
- [Commits](https://github.com/wheresrhys/fetch-mock/commits/fetch-mock-v12.0.1/packages/fetch-mock)

---
updated-dependencies:
- dependency-name: fetch-mock
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

package.json

@@ -17,7 +17,7 @@
   "devDependencies": {
     "@octokit/rest": "^20.1.1",
     "@vercel/node": "^3.2.18",
-    "fetch-mock": "^10.0.7",
+    "fetch-mock": "^12.0.1",
     "prettier": "^3.3.3",
     "simple-mock": "^0.8.0",
     "tap": "^16.3.8"