build(deps): bump @actions/github from 5.0.1 to 5.0.3 (#733)

Bumps [@actions/github](https://github.com/actions/toolkit/tree/HEAD/packages/github) from 5.0.1 to 5.0.3.
- [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-patch
...

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

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

package.json

@@ -25,7 +25,7 @@
   "dependencies": {
     "@actions/core": "^1.6.0",
     "@actions/exec": "^1.1.1",
-    "@actions/github": "^5.0.1",
+    "@actions/github": "^5.0.3",
     "node-fetch": "^3.2.4",
     "openpgp": "^5.2.1"
   },