Bump @octokit/rest from 19.0.13 to 20.0.1

Bumps [@octokit/rest](https://github.com/octokit/rest.js) from 19.0.13 to 20.0.1.
- [Release notes](https://github.com/octokit/rest.js/releases)
- [Commits](https://github.com/octokit/rest.js/compare/v19.0.13...v20.0.1)

---
updated-dependencies:
- dependency-name: "@octokit/rest"
  dependency-type: direct:development
  update-type: version-update:semver-major
...
Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -14,7 +14,7 @@
     "@hypothesis/frontend-build": "^2.0.0",
     "@hypothesis/frontend-shared": "^6.4.0",
     "@npmcli/arborist": "^6.1.1",
-    "@octokit/rest": "^19.0.3",
+    "@octokit/rest": "^20.0.1",
     "@rollup/plugin-babel": "^6.0.0",
     "@rollup/plugin-commonjs": "^25.0.0",
     "@rollup/plugin-json": "^6.0.0",