Fix betteruptime

[lucasrcezimbra]

• [x] Fix https://pyitau.betteruptime.com/
• [ ] Move from https://github.com/lucasrcezimbra/healthchecks to this repo.
• [x] Add missing endpoints

Upvote & Fund

• We're using Polar.sh so you can upvote and help fund this issue.
• We receive the funding once the issue is completed & confirmed by you.
• Thank you in advance for helping prioritize & fund our backlog.