Bump @octokit/rest from 18.12.0 to 19.0.3 (#109)

Bumps [@octokit/rest](https://github.com/octokit/rest.js) from 18.12.0 to 19.0.3.
- [Release notes](https://github.com/octokit/rest.js/releases)
- [Commits](octokit/rest.js@v18.12.0...v19.0.3)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -29,7 +29,7 @@
     "@actions/exec": "^1.1.1",
     "@actions/github": "^5.0.3",
     "@actions/tool-cache": "^2.0.1",
-    "@octokit/rest": "^18.12.0",
+    "@octokit/rest": "^19.0.3",
     "semver": "^7.3.7"
   },
   "devDependencies": {