chore(deps): bump @octokit/rest from 20.1.1 to 21.0.2

Bumps [@octokit/rest](https://github.com/octokit/rest.js) from 20.1.1 to 21.0.2.
- [Release notes](https://github.com/octokit/rest.js/releases)
- [Commits](octokit/rest.js@v20.1.1...v21.0.2)

---
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

@@ -27,7 +27,7 @@
   },
   "homepage": "https://github.com/ucsf-ckm/zorgbort#README.md",
   "dependencies": {
-    "@octokit/rest": "^20.1.0",
+    "@octokit/rest": "^21.0.2",
     "@slack/bolt": "^3.21.4"
   },
   "devDependencies": {