Improve discord-botlist.eu (#319)

* fix: update lockfile to new version

* feat(DiscordBotlistEU): add endpoints

These endpoints are not in the official docs, but they're in the offical
library.
Ref:
https://github.com/dbleu/node-library/blob/0d812fc8a6f99b8d1889734176f045c685e8d37e/src/index.js#L41

* ci: use node@14

* fix: rebuild lockfile

* Revert "ci: use node@14"

This reverts commit a87ecf2.

Author: EndBug