Bump eslint-plugin-github from 4.10.1 to 5.1.8 in /github-action

---
updated-dependencies:
- dependency-name: eslint-plugin-github
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]