Bump @actions/github from 5.0.3 to 5.1.1 (#133)

Bumps [@actions/github](https://github.com/actions/toolkit/tree/HEAD/packages/github) from 5.0.3 to 5.1.1.
- [Release notes](https://github.com/actions/toolkit/releases)
- [Changelog](https://github.com/actions/toolkit/blob/main/packages/github/RELEASES.md)
- [Commits](https://github.com/actions/toolkit/commits/HEAD/packages/github)

---
updated-dependencies:
- dependency-name: "@actions/github"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

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

package.json

@@ -31,7 +31,7 @@
   "homepage": "https://github.com/slackapi/slack-github-action#readme",
   "dependencies": {
     "@actions/core": "^1.10.0",
-    "@actions/github": "^5.0.3",
+    "@actions/github": "^5.1.1",
     "@slack/web-api": "^6.7.2",
     "axios": "^0.27.2",
     "flat": "^5.0.2",