chore(deps) bump lua-resty-dns-client from 4.1.3 to 4.2.0 (#5740)
chore(deps) bump lua-resty-dns-client from 4.1.3 to 4.2.0 (#5740)

### Summary

- Change: export DNS source type on status report.
  See [PR 86](https://github.com/Kong/lua-resty-dns-client/pull/86).
Kong/kong,Kong/kong,Kong/kong