build(deps-dev): bump @octokit/plugin-rest-endpoint-methods

Bumps [@octokit/plugin-rest-endpoint-methods](https://github.com/octokit/plugin-rest-endpoint-methods.js) from 13.3.0 to 16.0.0.
- [Release notes](https://github.com/octokit/plugin-rest-endpoint-methods.js/releases)
- [Commits](octokit/plugin-rest-endpoint-methods.js@v13.3.0...v16.0.0)

---
updated-dependencies:
- dependency-name: "@octokit/plugin-rest-endpoint-methods"
  dependency-version: 16.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -32,7 +32,7 @@
   "devDependencies": {
     "@biomejs/biome": "2.0.0",
     "@fetch-mock/vitest": "^0.2.14",
-    "@octokit/plugin-rest-endpoint-methods": "^13.3.0",
+    "@octokit/plugin-rest-endpoint-methods": "^16.0.0",
     "@types/dateformat": "^5.0.3",
     "@types/node": "^24.0.3",
     "@vercel/ncc": "^0.38.3",