Bump @octokit/rest from 18.12.0 to 20.0.2

Bumps [@octokit/rest](https://github.com/octokit/rest.js) from 18.12.0 to 20.0.2.
- [Release notes](https://github.com/octokit/rest.js/releases)
- [Commits](octokit/rest.js@v18.12.0...v20.0.2)

---
updated-dependencies:
- dependency-name: "@octokit/rest"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

package.json

@@ -26,7 +26,7 @@
     "@actions/core": "^1.10.0",
     "@actions/github": "^4.0.0",
     "@octokit/plugin-retry": "^3.0.9",
-    "@octokit/rest": "^18.5.3"
+    "@octokit/rest": "^20.0.2"
   },
   "devDependencies": {
     "@types/node": "^18.11.18",