bump @nextcloud/eslint-config from 8.4.1 to 8.4.2

---
updated-dependencies:
- dependency-name: "@nextcloud/eslint-config"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]